diff --git a/src/quickjs_backend.cpp b/src/quickjs_backend.cpp
index 5b40ab03688..4f08002cf3d 100644
--- a/src/quickjs_backend.cpp
+++ b/src/quickjs_backend.cpp
@@ -756,6 +756,7 @@ static int QuickJS_DefinePropertyValue(JSContext *ctx, JSValueConst this_obj, co
 //;; * ```name``` A string containing the full name of the research.
 //;; * ```id``` A string containing the index name of the research.
 //;; * ```type``` The type will always be ```RESEARCH_DATA```.
+//;; * ```results``` An array of objects of research upgrades (defined in "research.json").
 //;;
 JSValue convResearch(const RESEARCH *psResearch, JSContext *ctx, int player)
 {
@@ -781,7 +782,7 @@ JSValue convResearch(const RESEARCH *psResearch, JSContext *ctx, int player)
 	QuickJS_DefinePropertyValue(ctx, value, "name", JS_NewString(ctx, psResearch->id.toUtf8().c_str()), JS_PROP_ENUMERABLE); // will be changed to contain fullname
 	QuickJS_DefinePropertyValue(ctx, value, "id", JS_NewString(ctx, psResearch->id.toUtf8().c_str()), JS_PROP_ENUMERABLE);
 	QuickJS_DefinePropertyValue(ctx, value, "type", JS_NewInt32(ctx, SCRIPT_RESEARCH), JS_PROP_ENUMERABLE);
-	QuickJS_DefinePropertyValue(ctx, value, "results", mapJsonToQuickJSValue(ctx, psResearch->results, 0), JS_PROP_ENUMERABLE);
+	QuickJS_DefinePropertyValue(ctx, value, "results", mapJsonToQuickJSValue(ctx, psResearch->results, JS_PROP_ENUMERABLE), JS_PROP_ENUMERABLE);
 	return value;
 }