diff --git a/feeds/ipq807x_v5.4/hostapd/files/mpskd b/feeds/ipq807x_v5.4/hostapd/files/mpskd
index b95674041..1700b590d 100644
--- a/feeds/ipq807x_v5.4/hostapd/files/mpskd
+++ b/feeds/ipq807x_v5.4/hostapd/files/mpskd
@@ -225,9 +225,13 @@ function sta_auth_psk(ifname, addr) {
 	if (!ssid)
 		return;
 
-	let cache = sta_cache_entry_get(ssid, addr);
-	if (cache)
-		return [ cache.key ];
+	if (interfaces[ifname]?.band == '6g') {
+		let cache = sta_cache_entry_get(ssid, addr);
+		if (cache)
+			return [ cache.key ];
+	} else if (cache[ssid]) {
+		delete cache[ssid][addr];
+	}
 
 	return ssid_psk(ssid, addr);
 }