diff --git a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ReplacePatchSet.soy b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ReplacePatchSet.soy
index e41bdda0b7..93c1c3b33e 100644
--- a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ReplacePatchSet.soy
+++ b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ReplacePatchSet.soy
@@ -60,4 +60,11 @@
         {$patchSet.refName}
     {\n}
   {/if}
+
+  {if $email.includeDiff}
+    {\n}
+    {\n}
+    {$email.unifiedDiff}
+    {\n}
+  {/if}
 {/template}
\ No newline at end of file
diff --git a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ReplacePatchSetHtml.soy b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ReplacePatchSetHtml.soy
index 05c60a1f38..23a76309a0 100644
--- a/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ReplacePatchSetHtml.soy
+++ b/gerrit-server/src/main/resources/com/google/gerrit/server/mail/ReplacePatchSetHtml.soy
@@ -49,4 +49,8 @@
           {$patchSet.refName}
     {/param}{/call}
   {/if}
+
+  {if $email.includeDiff}
+    {call .Pre}{param content: $email.unifiedDiff /}{/call}
+  {/if}
 {/template}