diff --git a/gql_graph.go b/gql_graph.go
index 43bf721..82e88a3 100644
--- a/gql_graph.go
+++ b/gql_graph.go
@@ -700,12 +700,16 @@ func GQLTypeSignalInput() *graphql.InputObject {
 
 func GQLSubscribeSignal(p graphql.ResolveParams) (interface{}, error) {
   return GQLSubscribeFn(p, func(signal GraphSignal, p graphql.ResolveParams)(interface{}, error) {
+    ctx := p.Context.Value("graph_context").(*GraphContext)
+    ctx.Log.Logf("gql", "SUBSCRIBE_SIGNAL: %+v", p.Source)
     return signal, nil
   })
 }
 
 func GQLSubscribeSelf(p graphql.ResolveParams) (interface{}, error) {
   return GQLSubscribeFn(p, func(signal GraphSignal, p graphql.ResolveParams)(interface{}, error) {
+    ctx := p.Context.Value("graph_context").(*GraphContext)
+    ctx.Log.Logf("gql", "SUBSCRIBE_SELF: %+v", p.Source)
     return p.Source, nil
   })
 }