1 files changed, 1 insertions, 1 deletions
diff --git a/parse.y b/parse.y
index 75cd097adb..d1d2569440 100644
--- a/parse.y
+++ b/parse.y
@@ -5854,7 +5854,7 @@ vtable_free_gen(struct parser_params *p, int line, const char *name,
 	if (tbl->tbl) {
 	    ruby_sized_xfree(tbl->tbl, tbl->capa * sizeof(ID));
 	}
-	ruby_sized_xfree(tbl, sizeof(tbl));
+	ruby_sized_xfree(tbl, sizeof(*tbl));
     }
 }
 #define vtable_free(tbl) vtable_free_gen(p, __LINE__, #tbl, tbl)