diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 50f8c7f47061..ad310050e298 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -644,6 +644,9 @@ static u16 iwl_adjust_beacon_interval(u16 beacon_val)
 					/ MAX_UCODE_BEACON_INTERVAL;
 	new_val = beacon_val / beacon_factor;
 
+	if (!new_val)
+		new_val = MAX_UCODE_BEACON_INTERVAL;
+
 	return new_val;
 }