diff --git a/lib/dotloop_api/end_points/param_helper.rb b/lib/dotloop_api/end_points/param_helper.rb
index 497d564..a7d4a09 100644
--- a/lib/dotloop_api/end_points/param_helper.rb
+++ b/lib/dotloop_api/end_points/param_helper.rb
@@ -59,7 +59,12 @@ def filter_string
 
       def filter_pair(key, value)
         return unless FILTER_OPTIONS.include?(key.to_s)
-        key.to_s + '=' + value.to_s
+        key.to_s + '=' + param_value_parser(value)
+      end
+
+      def param_value_parser(value)
+        return value.to_s unless value.is_a?(Array)
+        value.map(&:to_s).join('|')
       end
     end
   end
diff --git a/lib/dotloop_api/version.rb b/lib/dotloop_api/version.rb
index 7755496..119b1b5 100644
--- a/lib/dotloop_api/version.rb
+++ b/lib/dotloop_api/version.rb
@@ -1,3 +1,3 @@
 module DotloopApi
-  VERSION = '0.1.2'.freeze
+  VERSION = '0.1.3'.freeze
 end
diff --git a/spec/end_points/param_helper_spec.rb b/spec/end_points/param_helper_spec.rb
index fd8340d..5e4ce00 100644
--- a/spec/end_points/param_helper_spec.rb
+++ b/spec/end_points/param_helper_spec.rb
@@ -13,8 +13,8 @@
 
   describe 'filter' do
     it 'strigfies a given hash' do
-      filter_hash = { transaction_type: 'PURCHASE_OFFER', transaction_status: 'ARCHIVED' }
-      filter_string = 'transaction_type=PURCHASE_OFFER,transaction_status=ARCHIVED'
+      filter_hash = { transaction_type: 'PURCHASE_OFFER', transaction_status: %w[ARCHIVED ACTIVE_LISTING] }
+      filter_string = 'transaction_type=PURCHASE_OFFER,transaction_status=ARCHIVED|ACTIVE_LISTING'
       expect(params(filter: filter_hash)).to include(filter: filter_string)
     end