diff --git a/Controllers/MSIMysticLightController/MSIMysticLight162Controller.cpp b/Controllers/MSIMysticLightController/MSIMysticLight162Controller.cpp
index 1b44dfcbb..18b87b720 100644
--- a/Controllers/MSIMysticLightController/MSIMysticLight162Controller.cpp
+++ b/Controllers/MSIMysticLightController/MSIMysticLight162Controller.cpp
@@ -54,7 +54,7 @@ void MSIMysticLight162Controller::SetMode
     }
 
     zoneData->effect                    = mode;
-    zoneData->speedAndBrightnessFlags   = ( brightness << 2 ) | speed;
+    zoneData->speedAndBrightnessFlags   = ( brightness << 2 ) | ( speed & 0x03 );
     zoneData->colorFlags                = 0x00;// BitSet(zoneData->colorFlags, !rainbow_color, 7u);
     zoneData->padding                   = 0x00;
 }
diff --git a/Controllers/MSIMysticLightController/MSIMysticLight185Controller.cpp b/Controllers/MSIMysticLightController/MSIMysticLight185Controller.cpp
index 6175938ea..84111e17b 100644
--- a/Controllers/MSIMysticLightController/MSIMysticLight185Controller.cpp
+++ b/Controllers/MSIMysticLightController/MSIMysticLight185Controller.cpp
@@ -110,7 +110,7 @@ void MSIMysticLight185Controller::SetMode
     }
 
     zoneData->effect                    = mode;
-    zoneData->speedAndBrightnessFlags   = ( brightness << 2u ) | speed;
+    zoneData->speedAndBrightnessFlags   = ( brightness << 2 ) | ( speed & 0x03 );
     zoneData->colorFlags                = 0x00;// BitSet(zoneData->colorFlags, !rainbow_color, 7u);
     zoneData->padding                   = 0x00;
 }