diff --git a/hostapd/Android.mk b/hostapd/Android.mk
index 5d6fe56..888ee2b 100644
--- a/hostapd/Android.mk
+++ b/hostapd/Android.mk
@@ -201,6 +201,10 @@
 OBJS += src/ap/peerkey_auth.c
 endif
 
+ifdef CONFIG_HS20
+NEED_AES_OMAC1=y
+endif
+
 ifdef CONFIG_IEEE80211W
 L_CFLAGS += -DCONFIG_IEEE80211W
 NEED_SHA256=y