diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c
index 1fbe027d26b..a3e23527fe7 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -2217,7 +2217,7 @@ static int atmel_get_range(struct net_device *dev,
 	int k,i,j;
 
 	dwrq->length = sizeof(struct iw_range);
-	memset(range, 0, sizeof(range));
+	memset(range, 0, sizeof(struct iw_range));
 	range->min_nwid = 0x0000;
 	range->max_nwid = 0x0000;
 	range->num_channels = 0;