diff --git a/dix/cursor.c b/dix/cursor.c
index c654e5aa0..b92f84750 100644
--- a/dix/cursor.c
+++ b/dix/cursor.c
@@ -232,8 +232,8 @@ RealizeCursorAllScreens(CursorPtr pCurs)
 int
 AllocARGBCursor(unsigned char *psrcbits, unsigned char *pmaskbits,
                 CARD32 *argb, CursorMetricPtr cm,
-                unsigned foreRed, unsigned foreGreen, unsigned foreBlue,
-                unsigned backRed, unsigned backGreen, unsigned backBlue,
+                unsigned short foreRed, unsigned short foreGreen, unsigned short foreBlue,
+                unsigned short backRed, unsigned short backGreen, unsigned short backBlue,
                 CursorPtr *ppCurs, ClientPtr client, XID cid)
 {
     CursorBitsPtr bits;
diff --git a/dix/cursor_priv.h b/dix/cursor_priv.h
index 58048aea9..ebf293ae0 100644
--- a/dix/cursor_priv.h
+++ b/dix/cursor_priv.h
@@ -27,12 +27,12 @@ int AllocARGBCursor(unsigned char *psrcbits,
                     unsigned char *pmaskbits,
                     CARD32 *argb,
                     CursorMetricPtr cm,
-                    unsigned foreRed,
-                    unsigned foreGreen,
-                    unsigned foreBlue,
-                    unsigned backRed,
-                    unsigned backGreen,
-                    unsigned backBlue,
+                    unsigned short foreRed,
+                    unsigned short foreGreen,
+                    unsigned short foreBlue,
+                    unsigned short backRed,
+                    unsigned short backGreen,
+                    unsigned short backBlue,
                     CursorPtr *ppCurs,
                     ClientPtr client,
                     XID cid);