diff --git a/Commands/Alternate File.tmCommand b/Commands/Alternate File.tmCommand
index 0ebcd3303..284cba07b 100644
--- a/Commands/Alternate File.tmCommand	
+++ b/Commands/Alternate File.tmCommand	
@@ -5,7 +5,8 @@
 	<key>beforeRunningCommand</key>
 	<string>nop</string>
 	<key>command</key>
-	<string>cat &lt;&lt;'RUBYEOF' &gt; /tmp/textmate-command-$$.rb
+	<string>#!/usr/bin/env sh
+cat &lt;&lt;'RUBYEOF' &gt; /tmp/textmate-command-$$.rb
 
 require ENV['TM_BUNDLE_SUPPORT'] + "/lib/spec/mate/switch_command"
 Spec::Mate::SwitchCommand.new.go_to_twin(ENV['TM_PROJECT_DIRECTORY'], ENV['TM_FILEPATH'])
diff --git a/Commands/Run Focussed Specification.tmCommand b/Commands/Run Focussed Specification.tmCommand
index ca7b5ed08..f0d68dc4d 100644
--- a/Commands/Run Focussed Specification.tmCommand	
+++ b/Commands/Run Focussed Specification.tmCommand	
@@ -5,7 +5,8 @@
 	<key>beforeRunningCommand</key>
 	<string>saveActiveFile</string>
 	<key>command</key>
-	<string>cat &lt;&lt;'RUBYEOF' &gt; /tmp/textmate-command-$$.rb
+	<string>#!/usr/bin/env sh
+cat &lt;&lt;'RUBYEOF' &gt; /tmp/textmate-command-$$.rb
 
 require ENV['TM_BUNDLE_SUPPORT'] + "/lib/spec/mate"
 Spec::Mate::Runner.new.run_focussed STDOUT
diff --git a/Commands/Run Specifications - Normal.tmCommand b/Commands/Run Specifications - Normal.tmCommand
index 0ed0fe83c..ac47d2943 100644
--- a/Commands/Run Specifications - Normal.tmCommand	
+++ b/Commands/Run Specifications - Normal.tmCommand	
@@ -5,7 +5,8 @@
 	<key>beforeRunningCommand</key>
 	<string>saveActiveFile</string>
 	<key>command</key>
-	<string>cat &lt;&lt;'RUBYEOF' &gt; /tmp/textmate-command-$$.rb
+	<string>#!/usr/bin/env sh
+cat &lt;&lt;'RUBYEOF' &gt; /tmp/textmate-command-$$.rb
 
 require ENV['TM_BUNDLE_SUPPORT'] + "/lib/spec/mate"
 Spec::Mate::Runner.new.run_file STDOUT
diff --git a/Commands/Run Specifications in selected files or directories.tmCommand b/Commands/Run Specifications in selected files or directories.tmCommand
index a1a3f5356..911de4cc4 100644
--- a/Commands/Run Specifications in selected files or directories.tmCommand	
+++ b/Commands/Run Specifications in selected files or directories.tmCommand	
@@ -5,7 +5,8 @@
 	<key>beforeRunningCommand</key>
 	<string>saveModifiedFiles</string>
 	<key>command</key>
-	<string>cat &lt;&lt;'RUBYEOF' &gt; /tmp/textmate-command-$$.rb
+	<string>#!/usr/bin/env sh
+cat &lt;&lt;'RUBYEOF' &gt; /tmp/textmate-command-$$.rb
 
 require ENV['TM_BUNDLE_SUPPORT'] + "/lib/spec/mate"
 Spec::Mate::Runner.new.run_files STDOUT