diff --git a/core/iwasm/libraries/libc-builtin/libc_builtin_wrapper.c b/core/iwasm/libraries/libc-builtin/libc_builtin_wrapper.c
index d7387804ba..3dd1d4720d 100644
--- a/core/iwasm/libraries/libc-builtin/libc_builtin_wrapper.c
+++ b/core/iwasm/libraries/libc-builtin/libc_builtin_wrapper.c
@@ -1161,7 +1161,7 @@ static NativeSymbol native_symbols_libc_builtin[] = {
     REG_NATIVE_FUNC(strtol, "($*i)i"),
     REG_NATIVE_FUNC(strtoul, "($*i)i"),
     REG_NATIVE_FUNC(memchr, "(*ii)i"),
-    REG_NATIVE_FUNC(strncasecmp, "($$i)"),
+    REG_NATIVE_FUNC(strncasecmp, "($$i)i"),
     REG_NATIVE_FUNC(strspn, "($$)i"),
     REG_NATIVE_FUNC(strcspn, "($$)i"),
     REG_NATIVE_FUNC(strstr, "($$)i"),