diff --git a/tests/hwsim/test_ap_mixed.py b/tests/hwsim/test_ap_mixed.py
index 9f0db32ee..5f03e7f14 100644
--- a/tests/hwsim/test_ap_mixed.py
+++ b/tests/hwsim/test_ap_mixed.py
@@ -12,6 +12,7 @@ import hwsim_utils
 
 def test_ap_mixed_security(dev, apdev):
     """WPA/WPA2 with PSK, EAP, SAE, FT in a single BSS"""
+    dev[0].flush_scan_cache()
     sae = "SAE" in dev[0].get_capability("auth_alg")
     ssid = "test-mixed"
     passphrase = 'qwertyuiop'