diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/patches/AbstractPatchContentTable.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/patches/AbstractPatchContentTable.java
index 8de3251..12f8e62 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/patches/AbstractPatchContentTable.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/patches/AbstractPatchContentTable.java
@@ -242,7 +242,7 @@
   }
 
   protected boolean hasDifferences(PatchScript script) {
-    return hasEdits(script) || hasMeta(script);
+    return hasEdits(script) || hasMeta(script) || hasComments(script);
   }
 
   public boolean isPureMetaChange(PatchScript script) {
@@ -259,6 +259,12 @@
     return false;
   }
 
+  // True if one of the two patch sets has comments
+  private boolean hasComments(PatchScript script) {
+    return !script.getCommentDetail().getCommentsA().isEmpty()
+        || !script.getCommentDetail().getCommentsB().isEmpty();
+  }
+
   // True if this change is a mode change or a pure rename/copy
   private boolean hasMeta(PatchScript script) {
     return !script.getPatchHeader().isEmpty();