diff --git a/tests/hwsim/test_ap_vht.py b/tests/hwsim/test_ap_vht.py
index 2f898071b..a6dcd152e 100644
--- a/tests/hwsim/test_ap_vht.py
+++ b/tests/hwsim/test_ap_vht.py
@@ -732,7 +732,7 @@ def test_ap_vht_csa_vht40(dev, apdev):
         dev[0].connect("vht", key_mgmt="NONE", scan_freq="5745")
         hwsim_utils.test_connectivity(dev[0], hapd)
 
-        hapd.request("CHAN_SWITCH 5 5765 sec_channel_offset=-1 center_freq1=5775 bandwidth=40 vht")
+        hapd.request("CHAN_SWITCH 5 5765 sec_channel_offset=-1 center_freq1=5755 bandwidth=40 vht")
         ev = hapd.wait_event(["AP-CSA-FINISHED"], timeout=10)
         if ev is None:
             raise Exception("CSA finished event timed out")