diff --git a/src/platformAdaption.c b/src/platformAdaption.c
index 76580ac..7bda1c9 100644
--- a/src/platformAdaption.c
+++ b/src/platformAdaption.c
@@ -72,7 +72,7 @@ int clientRead(client_t *client) {
   int res = -1;
   if (clientAvailable(client) >= 1) {
     uint8_t buf;
-    int32_t res = recv(client->sockNum, &buf, 1);
+    res = recv(client->sockNum, &buf, 1);
     if (res == 1) {
       res = (int) buf;
     }
@@ -99,4 +99,6 @@ bool clientConnected(client_t *client) {
 
 uint32_t millis() {
   return HAL_GetTick();
-}
\ No newline at end of file
+}
+
+