diff --git a/winpr/tools/makecert/makecert.c b/winpr/tools/makecert/makecert.c
index 15a2d16c8..94795160e 100644
--- a/winpr/tools/makecert/makecert.c
+++ b/winpr/tools/makecert/makecert.c
@@ -730,12 +730,14 @@ static BOOL makecert_create_rsa(EVP_PKEY** ppkey, size_t key_length)
 	if (EVP_PKEY_keygen_init(pctx) != 1)
 		goto fail;
 
-	WINPR_ASSERT(key_length <= UINT_MAX);
-	unsigned int keylen = (unsigned int)key_length;
-	const OSSL_PARAM params[] = { OSSL_PARAM_construct_uint("bits", &keylen),
-		                          OSSL_PARAM_construct_end() };
-	if (EVP_PKEY_CTX_set_params(pctx, params) != 1)
-		goto fail;
+	{
+		WINPR_ASSERT(key_length <= UINT_MAX);
+		unsigned int keylen = (unsigned int)key_length;
+		const OSSL_PARAM params[] = { OSSL_PARAM_construct_uint("bits", &keylen),
+			                          OSSL_PARAM_construct_end() };
+		if (EVP_PKEY_CTX_set_params(pctx, params) != 1)
+			goto fail;
+	}
 
 	if (EVP_PKEY_generate(pctx, ppkey) != 1)
 		goto fail;