diff --git a/src/vim9compile.c b/src/vim9compile.c
index 61fefa7..ea305b7 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -522,6 +522,8 @@
 		    (actual->tt_member == &t_void)
 					 == (expected->tt_member == &t_void))))
 	return TRUE;
+    if (actual->tt_type == VAR_OBJECT && expected->tt_type == VAR_OBJECT)
+	return TRUE;
     if ((actual->tt_type == VAR_LIST || actual->tt_type == VAR_DICT)
 				       && actual->tt_type == expected->tt_type)
 	// This takes care of a nested list or dict.