diff --git a/lang/bytecode.c b/lang/bytecode.c
index e9c6eaf..e3d0dcc 100644
--- a/lang/bytecode.c
+++ b/lang/bytecode.c
@@ -25,7 +25,7 @@
 	OP_NULL,
 	OP_GET, 0x4,
 	OP_GET, 0x4,
-	OP_CALL, 'A', 'd', 'd', '\0',
+	OP_CALL, 0x2, 'A', 'd', 'd', '\0',
 	OP_DROP, 0x1,
 	OP_SET, 0x0,
 	OP_RET
@@ -51,10 +51,11 @@
 			break;
 		}
 		case OP_CALL: {
+			int arg_count = *pos_code++;
 			const char *dispatch = (const char *)pos_code;
 			struct object *obj = *(--pos_stack);
-			struct object **args = pos_stack - 2;
-			dispatch_call(obj, dispatch, 2, args);
+			struct object **args = pos_stack - arg_count;
+			dispatch_call(obj, dispatch, arg_count, args);
 			break;
 		}
 		case OP_NULL: {