diff --git a/lib/grit/commit.rb b/lib/grit/commit.rb
index a093bb1db8e884cccf396b297259181d1caebed4..80fd3d527f269ecbd570b65b8e21fd85baedb6e9 100644
--- a/lib/grit/commit.rb
+++ b/lib/grit/commit.rb
@@ -156,12 +156,8 @@ module Grit
 
     def diffs
       if parents.empty?
-        diff = @repo.git.show({:full_index => true, :pretty => 'raw'}, @id)
-        if diff =~ /diff --git a/
-          diff = diff.sub(/.+?(diff --git a)/m, '\1')
-        else
-          diff = ''
-        end
+        diff = @repo.git.show({:full_index => true, :pretty => 'raw'}, @id) 
+        diff = diff.sub(/.+?(diff --git a)/m, '\1')
         Diff.list_from_string(@repo, diff)
       else
         self.class.diff(@repo, parents.first.id, @id)