diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index 0e5548a..e18fbca 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -9255,7 +9255,7 @@
 	if (!(wrqu->retry.flags & IW_RETRY_LIMIT))
 		return 0;
 
-	if (wrqu->retry.value < 0 || wrqu->retry.value > 255)
+	if (wrqu->retry.value < 0 || wrqu->retry.value >= 255)
 		return -EINVAL;
 
 	mutex_lock(&priv->mutex);