diff --git a/include/groundvm.h b/include/groundvm.h
index da719f9..61f6e6d 100644
--- a/include/groundvm.h
+++ b/include/groundvm.h
@@ -58,7 +58,8 @@ typedef struct GroundError {
  */
 typedef struct GroundValue {
     GroundValueType type;
-    struct GroundStruct* customType;
+    // This line seems to be causing issues with extlibs
+    // struct GroundStruct* customType;
     union {
         int64_t intVal;
         double doubleVal;
@@ -69,8 +70,7 @@ typedef struct GroundValue {
         GroundError errorVal;
         struct GroundFunction* fnVal;
         struct GroundStruct* structVal;
-        // This line seems to cause issues with external libraries.
-        // struct GroundObject* customVal;
+        struct GroundObject* customVal;
     } data;
 } GroundValue;