diff --git a/mozilla/mailnews/addrbook/src/nsAbView.cpp b/mozilla/mailnews/addrbook/src/nsAbView.cpp
index 94580acccf0..dc108617d22 100644
--- a/mozilla/mailnews/addrbook/src/nsAbView.cpp
+++ b/mozilla/mailnews/addrbook/src/nsAbView.cpp
@@ -758,7 +758,7 @@ nsresult nsAbView::CreateCollationKey(const PRUnichar *aSource, PRUint8 **aKey,
   rv = mCollationKeyGenerator->CreateRawSortKey(kCollationCaseInSensitive, sourceString, *aKey, aKeyLen);
   if (NS_FAILED(rv))
   {
-    nsMemory::Free(aKey);
+    nsMemory::Free(*aKey);
     return rv;
   }
   return NS_OK;