diff --git a/src/vm.c b/src/vm.c
index 228f29238..1508b5b8a 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -2899,8 +2899,7 @@ RETRY_TRY_BLOCK:
     }
 
     CASE(OP_RANGE_INC, B) {
-      mrb_value v = mrb_range_new(mrb, regs[a], regs[a+1], FALSE);
-      regs[a] = v;
+      regs[a] = mrb_range_new(mrb, regs[a], regs[a+1], FALSE);
       mrb_gc_arena_restore(mrb, ai);
       NEXT;
     }