diff --git a/uppsrc/Core/JSON.cpp b/uppsrc/Core/JSON.cpp
index 178745fa9..7c9d15fdd 100644
--- a/uppsrc/Core/JSON.cpp
+++ b/uppsrc/Core/JSON.cpp
@@ -114,6 +114,7 @@ String AsJSON(const Value& v, const String& sep, bool pretty)
 		return AsCString((String)v);
 	if(IsNull(v))
 		return "null";
+	DDUMP(v);
 	NEVER();
 	return "null";
 }
diff --git a/uppsrc/Core/JSON.h b/uppsrc/Core/JSON.h
index 63ae408fd..e69b970ec 100644
--- a/uppsrc/Core/JSON.h
+++ b/uppsrc/Core/JSON.h
@@ -250,7 +250,7 @@ void JsonizeMap(JsonIO& io, T& map, const char *keyid, const char *valueid)
 template <class K, class V, class H>
 void Jsonize(JsonIO& io, VectorMap<K, V, H>& map)
 {
-	JsonizeMap(io, map, "key", "value");
+	JsonizeMap<VectorMap<K, V, H>, K, V>(io, map, "key", "value");
 }
 
 template <class K, class V, class H>