diff --git a/xpcom/base/nsWeakReference.cpp b/xpcom/base/nsWeakReference.cpp
index d9c826eb3b22..ee84a3958e23 100644
--- a/xpcom/base/nsWeakReference.cpp
+++ b/xpcom/base/nsWeakReference.cpp
@@ -77,7 +77,7 @@ nsSupportsWeakReference::GetWeakReference( nsIWeakReference** aInstancePtr )
 
     nsresult status;
     if ( !*aInstancePtr )
-      status = NS_NOINTERFACE;
+      status = NS_ERROR_OUT_OF_MEMORY;
     else
       {
         NS_ADDREF(*aInstancePtr);
diff --git a/xpcom/glue/nsWeakReference.cpp b/xpcom/glue/nsWeakReference.cpp
index d9c826eb3b22..ee84a3958e23 100644
--- a/xpcom/glue/nsWeakReference.cpp
+++ b/xpcom/glue/nsWeakReference.cpp
@@ -77,7 +77,7 @@ nsSupportsWeakReference::GetWeakReference( nsIWeakReference** aInstancePtr )
 
     nsresult status;
     if ( !*aInstancePtr )
-      status = NS_NOINTERFACE;
+      status = NS_ERROR_OUT_OF_MEMORY;
     else
       {
         NS_ADDREF(*aInstancePtr);