diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index 44c29b3f67285ab608d3bf254db3498be3854962..6dcac73b4d299ee80e4bbf40877387620d3066ea 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -6226,7 +6226,7 @@ static void ipw_add_scan_channels(struct ipw_priv *priv,
 			};
 
 			u8 channel;
-			while (channel_index < IPW_SCAN_CHANNELS) {
+			while (channel_index < IPW_SCAN_CHANNELS - 1) {
 				channel =
 				    priv->speed_scan[priv->speed_scan_pos];
 				if (channel == 0) {