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@@ -1,6 +1,24 @@
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 if defined?(ActionView) and not defined?(Merb::Plugins)
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+
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+  module Haml
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+    module Helpers
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+      module TemplateChecker
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+        # Handle the case where a module is uses outside of an ActionView context
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+        # calls to is_haml if it is defined, otherwise returns false.
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+        def check_is_haml?
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+          is_haml?
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+        rescue NoMethodError
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+          false
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+        end
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+      end
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+    end
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+  end
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+
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   module ActionView
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     class Base # :nodoc:
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+
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+      include Haml::Helpers::TemplateChecker
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+
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       def is_haml?
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         false
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       end
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@@ -18,8 +36,11 @@ if defined?(ActionView) and not defined?(Merb::Plugins)
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     module Helpers
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       # :stopdoc:
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       module CaptureHelper
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+
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+        include Haml::Helpers::TemplateChecker
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+
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         def capture_with_haml(*args, &block)
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-          if is_haml?
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+          if check_is_haml?
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             capture_haml(*args, &block)
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           else
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             capture_without_haml(*args, &block)
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@@ -29,7 +50,7 @@ if defined?(ActionView) and not defined?(Merb::Plugins)
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         alias_method :capture, :capture_with_haml
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         def capture_erb_with_buffer_with_haml(*args, &block)
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-          if is_haml?
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+          if check_is_haml?
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             capture_haml_with_buffer(*args, &block)
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           else
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             capture_erb_with_buffer_without_haml(*args, &block)
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@@ -40,8 +61,11 @@ if defined?(ActionView) and not defined?(Merb::Plugins)
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       end
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       module TextHelper
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+
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+        include Haml::Helpers::TemplateChecker
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+
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         def concat_with_haml(string, binding = nil)
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-          if is_haml?
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+          if check_is_haml?
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             haml_buffer.buffer.concat(string)
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           else
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             concat_without_haml(string, binding)
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@@ -52,10 +76,13 @@ if defined?(ActionView) and not defined?(Merb::Plugins)
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       end
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       module TagHelper
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+
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+        include Haml::Helpers::TemplateChecker
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+
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         def content_tag_with_haml(name, *args, &block)
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           content = content_tag_without_haml(name, *args, &block)
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-          if is_haml? && haml_buffer.options[:preserve].include?(name.to_s)
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+          if check_is_haml? && haml_buffer.options[:preserve].include?(name.to_s)
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             content = Haml::Helpers.preserve content
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           end
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@@ -68,6 +95,8 @@ if defined?(ActionView) and not defined?(Merb::Plugins)
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       class InstanceTag
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         # Includes TagHelper
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+        include Haml::Helpers::TemplateChecker
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+
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         def haml_buffer
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           @template_object.send :haml_buffer
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         end
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@@ -81,8 +110,11 @@ if defined?(ActionView) and not defined?(Merb::Plugins)
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       end
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       module FormTagHelper
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+
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+        include Haml::Helpers::TemplateChecker
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+
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         def form_tag_with_haml(url_for_options = {}, options = {}, *parameters_for_url, &proc)
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-          if is_haml?
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+          if check_is_haml?
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             if block_given?
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               oldproc = proc
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               proc = haml_bind_proc do |*args|
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@@ -93,7 +125,7 @@ if defined?(ActionView) and not defined?(Merb::Plugins)
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               end
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             end
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             res = form_tag_without_haml(url_for_options, options, *parameters_for_url, &proc) + "\n"
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-            concat "\n" if block_given? && is_haml?
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+            concat "\n" if block_given? && check_is_haml?
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             res
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           else
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             form_tag_without_haml(url_for_options, options, *parameters_for_url, &proc)
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@@ -104,8 +136,11 @@ if defined?(ActionView) and not defined?(Merb::Plugins)
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       end
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       module FormHelper
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+
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+        include Haml::Helpers::TemplateChecker
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+
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         def form_for_with_haml(object_name, *args, &proc)
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-          if block_given? && is_haml?
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+          if block_given? && check_is_haml?
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             oldproc = proc
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             proc = haml_bind_proc do |*args|
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               tab_up
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@@ -114,7 +149,7 @@ if defined?(ActionView) and not defined?(Merb::Plugins)
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             end
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           end
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           form_for_without_haml(object_name, *args, &proc)
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-          concat "\n" if block_given? && is_haml?
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+          concat "\n" if block_given? && check_is_haml?
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         end
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         alias_method :form_for_without_haml, :form_for
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         alias_method :form_for, :form_for_with_haml