diff --git a/mozilla/docshell/base/nsDocShell.cpp b/mozilla/docshell/base/nsDocShell.cpp
index 68da1b4e97b..c3c3adf4d7e 100644
--- a/mozilla/docshell/base/nsDocShell.cpp
+++ b/mozilla/docshell/base/nsDocShell.cpp
@@ -898,7 +898,7 @@ nsresult nsDocShell::FindTarget(const PRUnichar *aWindowTarget,
 
         rv = parentWindow->Open(NS_LITERAL_STRING(""),    // URL to load
                                 name,                     // Window name
-                                nsDependentString(nsnull),  // Window features
+                                NS_LITERAL_STRING(""),    // Window features
                                 getter_AddRefs(newWindow));
         if (NS_FAILED(rv)) return rv;