1 files changed, 1 insertions, 1 deletions
diff --git a/proc.c b/proc.c
index 358672c018..9637ac5b4a 100644
--- a/proc.c
+++ b/proc.c
@@ -2336,7 +2336,7 @@ rb_method_entry_min_max_arity(const rb_method_entry_t *me, int *max)
 	return 0;
     }
     rb_bug("rb_method_entry_min_max_arity: invalid method entry type (%d)", def->type);
-    UNREACHABLE;
+    UNREACHABLE_RETURN(Qnil);
 }
 
 int