1 files changed, 1 insertions, 1 deletions
diff --git a/vm.c b/vm.c
index f7887d3..c420774 100644
--- a/vm.c
+++ b/vm.c
@@ -112,7 +112,7 @@ void runvm(Chunk *ch) {
 			Val a = POP(); \
 			if (!IS_NUM(a) || !IS_NUM(b)) { \
 				printf("can't do arithmetic on %s and %s\n", \
-					valty_str(a), valty_str(b)); \
+					typename_str(a), typename_str(b)); \
 				goto done; \
 			} \
 			PUSH(VAL_NUM(AS_NUM(a) OP AS_NUM(b))); \