diff --git a/handlers/command.c b/handlers/command.c
index b674817..be5e23b 100644
--- a/handlers/command.c
+++ b/handlers/command.c
@@ -67,7 +67,7 @@ handler_command(int fd, controller_t *controller)
         return;
     }
 
-    size_t payload_length;
+    uint32_t payload_length;
 
     if(recv(client_fd, &payload_length, sizeof(payload_length), 0) <= 0)
     {