diff --git a/cfg-mplayer.h b/cfg-mplayer.h
index b44548133e..9db4da707b 100644
--- a/cfg-mplayer.h
+++ b/cfg-mplayer.h
@@ -272,7 +272,7 @@ m_option_t mplayer_opts[]={
 	// set bpp (x11+vm, dga, fbdev, vesa, svga?)
         {"bpp", &vo_dbpp, CONF_TYPE_INT, CONF_RANGE, 0, 32, NULL},
 	{"colorkey", &vo_colorkey, CONF_TYPE_INT, 0, 0, 0, NULL},
-	{"nocolorkey", &vo_colorkey, CONF_TYPE_FLAG, 0, 0, 0xff000000, NULL},
+	{"nocolorkey", &vo_colorkey, CONF_TYPE_FLAG, 0, 0, 0x1000000, NULL},
 	// double buffering:  (mga/xmga, xv, vidix, vesa, fbdev)
 	{"double", &vo_doublebuffering, CONF_TYPE_FLAG, 0, 0, 1, NULL},
 	{"nodouble", &vo_doublebuffering, CONF_TYPE_FLAG, 0, 1, 0, NULL},
diff --git a/libvo/vo_cvidix.c b/libvo/vo_cvidix.c
index 3f6ae80ded..62c79d2c01 100644
--- a/libvo/vo_cvidix.c
+++ b/libvo/vo_cvidix.c
@@ -48,7 +48,7 @@ static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width,uint32_
   if(vidix_grkey_support()){
     vidix_grkey_get(&gr_key);
     gr_key.key_op = KEYS_PUT;
-    if (vo_colorkey != 0xff000000)
+    if (!(vo_colorkey & 0xff000000))
     {
 	gr_key.ckey.op = CKEY_TRUE;
 	gr_key.ckey.red = (vo_colorkey & 0x00FF0000) >> 16;
diff --git a/libvo/vo_fbdev.c b/libvo/vo_fbdev.c
index b9c61713b4..18bfbfde38 100644
--- a/libvo/vo_fbdev.c
+++ b/libvo/vo_fbdev.c
@@ -981,7 +981,7 @@ static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width,
 		{
 		    vidix_grkey_get(&gr_key);
 		    gr_key.key_op = KEYS_PUT;
-		    if (vo_colorkey != 0xff000000)
+		    if (!(vo_colorkey & 0xff000000))
 		    {
 			gr_key.ckey.op = CKEY_TRUE;
 			gr_key.ckey.red = (vo_colorkey & 0x00ff0000) >> 16;
diff --git a/libvo/vo_svga.c b/libvo/vo_svga.c
index 9a973061cb..25fa02e7c3 100644
--- a/libvo/vo_svga.c
+++ b/libvo/vo_svga.c
@@ -531,7 +531,7 @@ static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width,
     if(vidix_grkey_support()){
       vidix_grkey_get(&gr_key);
       gr_key.key_op = KEYS_PUT;
-      if (vo_colorkey != 0xFF000000) {
+      if (!(vo_colorkey & 0xFF000000)) {
 	gr_key.ckey.op = CKEY_TRUE;
 	gr_key.ckey.red = (vo_colorkey & 0x00FF0000) >> 16;
 	gr_key.ckey.green = (vo_colorkey & 0x0000FF00) >> 8;
diff --git a/libvo/vo_vesa.c b/libvo/vo_vesa.c
index 4804274200..9da76fe01d 100644
--- a/libvo/vo_vesa.c
+++ b/libvo/vo_vesa.c
@@ -965,7 +965,7 @@ config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uin
 		  {
 		    vidix_grkey_get(&gr_key);
 		    gr_key.key_op = KEYS_PUT;
-		    if (vo_colorkey != 0xFF000000)
+		    if (!(vo_colorkey & 0xFF000000))
 		    {
 			gr_key.ckey.op = CKEY_TRUE;
 			gr_key.ckey.red = (vo_colorkey & 0x00FF0000) >> 16;
diff --git a/libvo/vo_xvidix.c b/libvo/vo_xvidix.c
index 21594f59bc..d83fc141b8 100644
--- a/libvo/vo_xvidix.c
+++ b/libvo/vo_xvidix.c
@@ -197,7 +197,7 @@ static void set_window(int force_update)
     /* mDrawColorKey: */
 
     /* fill drawable with specified color */
-    if (vo_colorkey != 0xff000000)
+    if (!(vo_colorkey & 0xff000000))
     {
     XSetBackground(mDisplay, vo_gc, 0L);
     XClearWindow( mDisplay,vo_window );
@@ -349,7 +349,7 @@ else
     {
 	vidix_grkey_get(&gr_key);
 	gr_key.key_op = KEYS_PUT;
-	if (vo_colorkey != 0xff000000)
+	if (!(vo_colorkey & 0xff000000))
 	{
 	    gr_key.ckey.op = CKEY_TRUE;
 	    gr_key.ckey.red = r;