diff --git a/wolfssl/test.h b/wolfssl/test.h
index 97454e1702..c8f226444a 100644
--- a/wolfssl/test.h
+++ b/wolfssl/test.h
@@ -337,7 +337,7 @@
 #if defined(USE_WINDOWS_API) || defined(WOLFSSL_TIRTOS)
     #define WOLFSSL_SOCKET_IS_INVALID(s)  ((SOCKET_T)(s) == WOLFSSL_SOCKET_INVALID)
 #else
-    #define WOLFSSL_SOCKET_IS_INVALID(s)  ((SOCKET_T)(s) < WOLFSSL_SOCKET_INVALID)
+    #define WOLFSSL_SOCKET_IS_INVALID(s)  ((SOCKET_T)(s) <= WOLFSSL_SOCKET_INVALID)
 #endif
 #endif /* WOLFSSL_SOCKET_IS_INVALID */