diff --git a/mozilla/htmlparser/src/nsHTMLContentSinkStream.cpp b/mozilla/htmlparser/src/nsHTMLContentSinkStream.cpp
index a0f5a191fd1..ac732c42507 100644
--- a/mozilla/htmlparser/src/nsHTMLContentSinkStream.cpp
+++ b/mozilla/htmlparser/src/nsHTMLContentSinkStream.cpp
@@ -1037,7 +1037,9 @@ PRBool nsHTMLContentSinkStream::IgnoreWS(eHTMLTags aTag) const {
     case eHTMLTag_tbody:
     case eHTMLTag_style:
       result = PR_TRUE;
-    break;
+      break;
+    default:
+      break;
   }
 
   return result;
diff --git a/mozilla/parser/htmlparser/src/nsHTMLContentSinkStream.cpp b/mozilla/parser/htmlparser/src/nsHTMLContentSinkStream.cpp
index a0f5a191fd1..ac732c42507 100644
--- a/mozilla/parser/htmlparser/src/nsHTMLContentSinkStream.cpp
+++ b/mozilla/parser/htmlparser/src/nsHTMLContentSinkStream.cpp
@@ -1037,7 +1037,9 @@ PRBool nsHTMLContentSinkStream::IgnoreWS(eHTMLTags aTag) const {
     case eHTMLTag_tbody:
     case eHTMLTag_style:
       result = PR_TRUE;
-    break;
+      break;
+    default:
+      break;
   }
 
   return result;