diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 2368b7f..5511610 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -1041,6 +1041,9 @@
 			break;
 		}
 
+		/* give the regulatory workqueue a chance to run */
+		if (regtest)
+			schedule_timeout_interruptible(1);
 		err = ieee80211_register_hw(hw);
 		if (err < 0) {
 			printk(KERN_DEBUG "mac80211_hwsim: "