diff --git a/netwerk/test/TestProtocols.cpp b/netwerk/test/TestProtocols.cpp
index c974f17a46dd..ed4dead3b8c2 100644
--- a/netwerk/test/TestProtocols.cpp
+++ b/netwerk/test/TestProtocols.cpp
@@ -476,7 +476,7 @@ InputTestConsumer::OnDataAvailable(nsIRequest *request,
 
 PR_STATIC_CALLBACK(void) DecrementDestroyHandler(PLEvent *self) 
 {
-    PR_DELETE(self);
+    PR_Free(self);
 }