diff --git a/app/models/diffed_revision.rb b/app/models/diffed_revision.rb
index 475a5370c..7b3305dac 100644
--- a/app/models/diffed_revision.rb
+++ b/app/models/diffed_revision.rb
@@ -11,7 +11,7 @@ def initialize(revision, record)
   def diff
     @diff ||= Differ.diff_by_line(
                 after[content_attribute],
-                before[content_attribute]
+                before_content
               )
   end
 
@@ -42,6 +42,11 @@ def before
     @before ||= YAML.load(@revision.object)
   end
 
+  def before_content
+    harmonized_version = before[content_attribute].include?("\r\n") ? before[content_attribute] : before[content_attribute].gsub("\n", "\r\n")
+    @revision.previous.event == 'create' ? harmonized_version : before[content_attribute]
+  end
+
   def after
     # Note: PaperTrail::Version#object will return `nil` if its event type
     # is `create` - but in theory, @revision.next below should always return