1 files changed, 1 insertions, 1 deletions
diff --git a/gc.c b/gc.c
index 0c727ed4..311f66d2 100644
--- a/gc.c
+++ b/gc.c
@@ -606,7 +606,7 @@ static int sweep_one(obj_t *block)
 #if CONFIG_GEN_GC
     block->t.gen = 1;
 #endif
-    block->t.type = convert(type_t, block->t.type & ~REACHABLE);
+    block->t.type &= convert(type_t, ~REACHABLE);
     return 0;
   }