diff --git a/reactos/subsystems/win32/win32k/eng/xlate.c b/reactos/subsystems/win32/win32k/eng/xlate.c
index 27d06846fe8..77f2a213ae1 100644
--- a/reactos/subsystems/win32/win32k/eng/xlate.c
+++ b/reactos/subsystems/win32/win32k/eng/xlate.c
@@ -64,11 +64,11 @@ EXLATEOBJ_iXlateRGBtoBGR(PEXLATEOBJ pxlo, ULONG iColor)
 {
     ULONG iNewColor;
 
-    /* Copy green */
-    iNewColor = iColor & 0x00ff00;
+    /* Copy green and alpha */
+    iNewColor = iColor & 0xff00ff00;
 
     /* Mask red and blue */
-    iColor &= 0xff00ff;
+    iColor &= 0x00ff00ff;
 
     /* Shift and copy red and blue */
     iNewColor |= iColor >> 16;