diff --git a/Controllers/MSIRGBController/MSIRGBController.cpp b/Controllers/MSIRGBController/MSIRGBController.cpp
index d05c1b411..bad6142af 100644
--- a/Controllers/MSIRGBController/MSIRGBController.cpp
+++ b/Controllers/MSIRGBController/MSIRGBController.cpp
@@ -78,8 +78,8 @@ void MSIRGBController::SetColor(unsigned char red, unsigned char green, unsigned
     superio_outb(msi_sioaddr, MSI_SIO_RGB_REG_GREEN_5_4, (green | (green << 4)));
     superio_outb(msi_sioaddr, MSI_SIO_RGB_REG_GREEN_7_6, (green | (green << 4)));
 
-    superio_outb(msi_sioaddr, MSI_SIO_RGB_REG_BLUE_1_0, (blue & (blue << 4)));
-    superio_outb(msi_sioaddr, MSI_SIO_RGB_REG_BLUE_3_2, (blue & (blue << 4)));
-    superio_outb(msi_sioaddr, MSI_SIO_RGB_REG_BLUE_5_4, (blue & (blue << 4)));
-    superio_outb(msi_sioaddr, MSI_SIO_RGB_REG_BLUE_7_6, (blue & (blue << 4)));
+    superio_outb(msi_sioaddr, MSI_SIO_RGB_REG_BLUE_1_0, (blue | (blue << 4)));
+    superio_outb(msi_sioaddr, MSI_SIO_RGB_REG_BLUE_3_2, (blue | (blue << 4)));
+    superio_outb(msi_sioaddr, MSI_SIO_RGB_REG_BLUE_5_4, (blue | (blue << 4)));
+    superio_outb(msi_sioaddr, MSI_SIO_RGB_REG_BLUE_7_6, (blue | (blue << 4)));
 }
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