diff --git a/mozilla/webtools/bugzilla/Bugzilla/DB.pm b/mozilla/webtools/bugzilla/Bugzilla/DB.pm
index c4c861cb9ba..53286da89d7 100644
--- a/mozilla/webtools/bugzilla/Bugzilla/DB.pm
+++ b/mozilla/webtools/bugzilla/Bugzilla/DB.pm
@@ -69,7 +69,7 @@ sub SqlQuote {
     my ($str) = @_;
 
     # Backwards compat code
-    return '' if not defined $str;
+    return "''" if not defined $str;
 
     require Bugzilla;