diff --git a/Controllers/NZXTHue1Controller/RGBController_NZXTHue1.cpp b/Controllers/NZXTHue1Controller/RGBController_NZXTHue1.cpp
index 23c1c156..802a57b7 100644
--- a/Controllers/NZXTHue1Controller/RGBController_NZXTHue1.cpp
+++ b/Controllers/NZXTHue1Controller/RGBController_NZXTHue1.cpp
@@ -295,7 +295,7 @@ void RGBController_NZXTHue1::DeviceUpdateMode()
                 modes[active_mode].speed,
                 direction,
                 colors,
-                modes[active_mode].colors.size()
+                (unsigned int)modes[active_mode].colors.size()
                 );
     }
 }