1 files changed, 1 insertions, 0 deletions
diff --git a/src/kernel.c b/src/kernel.c
index 0258e5c15..5ba318b1d 100644
--- a/src/kernel.c
+++ b/src/kernel.c
@@ -275,6 +275,7 @@ init_copy(mrb_state *mrb, mrb_value dest, mrb_value obj)
     case MRB_TT_SCLASS:
     case MRB_TT_HASH:
     case MRB_TT_DATA:
+    case MRB_TT_EXCEPTION:
       mrb_iv_copy(mrb, dest, obj);
       break;