diff --git a/src/day10.rs b/src/day10.rs
index 8dac337..00d6ef2 100644
--- a/src/day10.rs
+++ b/src/day10.rs
@@ -148,14 +148,14 @@ unsafe fn inner2(s: &[u8]) -> u32 {
         "inc {found:e}",
         "ret",
     "38:",
-        "movzx {tmp:e}, byte ptr[{cache} + {j}]",
         "add {total:e}, {tmp:e}",
         "add {found:e}, {tmp:e}",
         "ret",
     "31:",
         "cmp {value:l}, 57",
         "je 32b",
-        "cmp byte ptr[{cache} + {j}], 0",
+        "movzx {tmp:e}, byte ptr[{cache} + {j}]",
+        "test {tmp:e}, {tmp:e}",
         "jne 38b",
     "39:",
         "inc {value:e}",