diff --git a/src/util/src/tutil.c b/src/util/src/tutil.c
index 8af9edc931216a837835491b4e66837fa0d57bb1..b24162ce5fae76846bf208daa1c83d442d6ddeff 100644
--- a/src/util/src/tutil.c
+++ b/src/util/src/tutil.c
@@ -434,7 +434,7 @@ int tasoUcs4Compare(void* f1_ucs4, void *f2_ucs4, int bytes) {
 #endif
 
 #else
-  return wcsncmp((wchar_t *)f1, (wchar_t *)f2, b);
+  return wcsncmp((wchar_t *)f1_ucs4, (wchar_t *)f2_ucs4, bytes);
 #endif
 }