1 files changed, 1 insertions, 1 deletions
diff --git a/insns.def b/insns.def
index 622f3b05c9..8f43e55b8a 100644
--- a/insns.def
+++ b/insns.def
@@ -610,7 +610,7 @@ adjuststack
 (rb_num_t n)
 (...)
 (...)
-// attr rb_snum_t sp_inc = -n;
+// attr rb_snum_t sp_inc = -(rb_snum_t)n;
 {
     DEC_SP(n);
 }