diff --git a/content/html/document/src/nsHTMLContentSink.cpp b/content/html/document/src/nsHTMLContentSink.cpp
index bfcdf374564d..21ddd7266c07 100644
--- a/content/html/document/src/nsHTMLContentSink.cpp
+++ b/content/html/document/src/nsHTMLContentSink.cpp
@@ -2960,11 +2960,12 @@ IsJavaScriptLanguage(const nsString& aName)
 nsresult
 HTMLContentSink::ResumeParsing()
 {
+  nsresult result=NS_OK;
   if (nsnull != mParser) {
-    mParser->EnableParser(PR_TRUE);
+    result=mParser->EnableParser(PR_TRUE);
   }
   
-  return NS_OK;
+  return result;
 }
 
 PRBool
diff --git a/layout/html/document/src/nsHTMLContentSink.cpp b/layout/html/document/src/nsHTMLContentSink.cpp
index bfcdf374564d..21ddd7266c07 100644
--- a/layout/html/document/src/nsHTMLContentSink.cpp
+++ b/layout/html/document/src/nsHTMLContentSink.cpp
@@ -2960,11 +2960,12 @@ IsJavaScriptLanguage(const nsString& aName)
 nsresult
 HTMLContentSink::ResumeParsing()
 {
+  nsresult result=NS_OK;
   if (nsnull != mParser) {
-    mParser->EnableParser(PR_TRUE);
+    result=mParser->EnableParser(PR_TRUE);
   }
   
-  return NS_OK;
+  return result;
 }
 
 PRBool
diff --git a/rdf/datasource/src/nsXULContentSink.cpp b/rdf/datasource/src/nsXULContentSink.cpp
index 54be467ba1f3..6688b7f9761f 100644
--- a/rdf/datasource/src/nsXULContentSink.cpp
+++ b/rdf/datasource/src/nsXULContentSink.cpp
@@ -1916,16 +1916,17 @@ XULContentSinkImpl::UnblockNextOverlay() {
 	
 	PRInt32 count = mOverlayArray->Count();
 	mCurrentOverlay++;
+  nsresult result=NS_OK;
 	if (mCurrentOverlay == count) {
 		// Unblock ourselves
-		mParser->EnableParser(PR_TRUE);
+		result=mParser->EnableParser(PR_TRUE);
 	}
 	else {
 		// Process the next overlay.
 		nsString* href = (nsString*)mOverlayArray->ElementAt(mCurrentOverlay);
 		ProcessOverlay(*href);
 	}
-	return NS_OK;
+	return result;
 }
 
 ////////////////////////////////////////////////////////////////////////