diff --git a/NexHardware.cpp b/NexHardware.cpp
index 17d4ec9c..1f82a8bd 100644
--- a/NexHardware.cpp
+++ b/NexHardware.cpp
@@ -64,7 +64,7 @@ bool recvRetNumber(uint32_t *number, uint32_t timeout)
         && temp[7] == 0xFF
         )
     {
-        *number = (temp[4] << 24) | (temp[3] << 16) | (temp[2] << 8) | (temp[1]);
+        *number = ((uint32_t)temp[4] << 24) | ((uint32_t)temp[3] << 16) | (temp[2] << 8) | (temp[1]);
         ret = true;
     }