diff --git a/wolfssl/wolfcrypt/error-crypt.h b/wolfssl/wolfcrypt/error-crypt.h
index d2bb664b3..a4bece54e 100644
--- a/wolfssl/wolfcrypt/error-crypt.h
+++ b/wolfssl/wolfcrypt/error-crypt.h
@@ -216,7 +216,8 @@ enum {
 #ifdef NO_ERROR_STRINGS
     #define wc_GetErrorString(error) "no support for error strings built in"
     #define wc_ErrorString(err, buf) \
-        XSTRNCPY((buf), wc_GetErrorString((err)), WOLFSSL_MAX_ERROR_SZ);
+        (void)err; XSTRNCPY((buf), wc_GetErrorString((err)), \
+        WOLFSSL_MAX_ERROR_SZ);
 
 #else
 WOLFSSL_API void wc_ErrorString(int err, char* buff);