diff --git a/mozilla/content/html/document/src/nsHTMLDocument.cpp b/mozilla/content/html/document/src/nsHTMLDocument.cpp
index cb6432ee0c7..ee07b643dd3 100644
--- a/mozilla/content/html/document/src/nsHTMLDocument.cpp
+++ b/mozilla/content/html/document/src/nsHTMLDocument.cpp
@@ -722,7 +722,7 @@ nsHTMLDocument::StartDocumentLoad(const char* aCommand,
     if (kCharsetFromBookmarks > charsetSource)
     {
       nsCOMPtr<nsIRDFDataSource>  datasource;
-      if (NS_SUCCEEDED(rv = gRDF->GetDataSource("rdf:bookmarks", getter_AddRefs(datasource))))
+      if (NS_SUCCEEDED(rv_detect = gRDF->GetDataSource("rdf:bookmarks", getter_AddRefs(datasource))))
       {
            nsCOMPtr<nsIBookmarksService>   bookmarks = do_QueryInterface(datasource);
            if (bookmarks)
diff --git a/mozilla/layout/html/document/src/nsHTMLDocument.cpp b/mozilla/layout/html/document/src/nsHTMLDocument.cpp
index cb6432ee0c7..ee07b643dd3 100644
--- a/mozilla/layout/html/document/src/nsHTMLDocument.cpp
+++ b/mozilla/layout/html/document/src/nsHTMLDocument.cpp
@@ -722,7 +722,7 @@ nsHTMLDocument::StartDocumentLoad(const char* aCommand,
     if (kCharsetFromBookmarks > charsetSource)
     {
       nsCOMPtr<nsIRDFDataSource>  datasource;
-      if (NS_SUCCEEDED(rv = gRDF->GetDataSource("rdf:bookmarks", getter_AddRefs(datasource))))
+      if (NS_SUCCEEDED(rv_detect = gRDF->GetDataSource("rdf:bookmarks", getter_AddRefs(datasource))))
       {
            nsCOMPtr<nsIBookmarksService>   bookmarks = do_QueryInterface(datasource);
            if (bookmarks)