diff --git a/mozilla/directory/xpcom/base/src/nsLDAPConnection.cpp b/mozilla/directory/xpcom/base/src/nsLDAPConnection.cpp
index a9d66f99fa5..f518a54a556 100644
--- a/mozilla/directory/xpcom/base/src/nsLDAPConnection.cpp
+++ b/mozilla/directory/xpcom/base/src/nsLDAPConnection.cpp
@@ -486,7 +486,7 @@ nsLDAPConnection::InvokeMessageCallback(LDAPMessage *aMsgHandle,
         return NS_ERROR_OUT_OF_MEMORY;
 
     // find the operation in question
-    operation = NS_STATIC_CAST(nsILDAPOperation *, mPendingOperations->Get(key));
+    operation = getter_AddRefs(NS_STATIC_CAST(nsILDAPOperation *, mPendingOperations->Get(key)));
     if (!operation) {
 
         PR_LOG(gLDAPLogModule, PR_LOG_WARNING,