diff --git a/qt/OpenRGBDialog/OpenRGBDialog.cpp b/qt/OpenRGBDialog/OpenRGBDialog.cpp
index cdbf39a05..6f27a3de4 100644
--- a/qt/OpenRGBDialog/OpenRGBDialog.cpp
+++ b/qt/OpenRGBDialog/OpenRGBDialog.cpp
@@ -1370,7 +1370,7 @@ void OpenRGBDialog::UpdateDevicesList()
     }
 
     bool found = true;
-    base_tab   = controllers.size();
+    base_tab   = (unsigned int)controllers.size();
 
     while(found)
     {