--- a/purplexpcom/src/purpleProxy.cpp
+++ b/purplexpcom/src/purpleProxy.cpp
@@ -7,16 +7,17 @@
 #include <nsIPrefService.h>
 #include <nsIProgrammingLanguage.h>
 #include <nsIClassInfoImpl.h>
 #include <nsMemory.h>
 
 //NS_IMPL_ISUPPORTS_CI(purpleProxy, purpleIProxy, purpleIProxyInfo)
 NS_IMPL_CLASSINFO(purpleProxy, NULL, 0, PURPLE_PROXY_CID)
 NS_INTERFACE_MAP_BEGIN(purpleProxy)
+  NS_INTERFACE_MAP_ENTRY(purpleIProxyInfo)
   NS_INTERFACE_MAP_ENTRY(purpleIProxy)
   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, purpleIProxy)
   NS_IMPL_QUERY_CLASSINFO(purpleProxy)
 NS_INTERFACE_MAP_END
 
 NS_IMPL_ADDREF(purpleProxy)
 NS_IMPL_RELEASE(purpleProxy)