diff --git a/drivers/net/skge.h b/drivers/net/skge.h
index ed19ff4..593387b 100644
--- a/drivers/net/skge.h
+++ b/drivers/net/skge.h
@@ -1734,11 +1734,11 @@
 	GM_TXCR_FORCE_JAM	= 1<<15, /* Bit 15:	Force Jam / Flow-Control */
 	GM_TXCR_CRC_DIS		= 1<<14, /* Bit 14:	Disable insertion of CRC */
 	GM_TXCR_PAD_DIS		= 1<<13, /* Bit 13:	Disable padding of packets */
-	GM_TXCR_COL_THR_MSK	= 1<<10, /* Bit 12..10:	Collision Threshold */
+	GM_TXCR_COL_THR_MSK	= 7<<10, /* Bit 12..10:	Collision Threshold */
 };
 
 #define TX_COL_THR(x)		(((x)<<10) & GM_TXCR_COL_THR_MSK)
-#define TX_COL_DEF		0x04
+#define TX_COL_DEF		0x04	/* late collision after 64 byte */
 
 /*	GM_RX_CTRL			16 bit r/w	Receive Control Register */
 enum {