diff --git a/netwerk/test/TestProtocols.cpp b/netwerk/test/TestProtocols.cpp
index c827ad253a15..9efb8376ea86 100644
--- a/netwerk/test/TestProtocols.cpp
+++ b/netwerk/test/TestProtocols.cpp
@@ -89,7 +89,7 @@ URLLoadInfo::~URLLoadInfo()
 }
 
 
-NS_IMPL_ISUPPORTS(URLLoadInfo,nsCOMTypeInfo<nsCOMTypeInfo><nsISupports>::GetIID());
+NS_IMPL_ISUPPORTS(URLLoadInfo,nsCOMTypeInfo<nsISupports>::GetIID());
 
 
 class TestHTTPEventSink : public nsIHTTPEventSink