diff --git a/sys/modules/wlan/Makefile b/sys/modules/wlan/Makefile
index 682aab3cfa9c..f96ad32a3c1e 100644
--- a/sys/modules/wlan/Makefile
+++ b/sys/modules/wlan/Makefile
@@ -18,7 +18,7 @@ SRCS+=	bus_if.h device_if.h opt_inet.h opt_inet6.h opt_ipx.h opt_wlan.h \
 .if !defined(KERNBUILDDIR)
 opt_wlan.h:
 	echo "#define IEEE80211_DEBUG 1" > ${.TARGET}
-	echo "#define IEEE80211_AMDPU_AGE 1" >> ${.TARGET}
+	echo "#define IEEE80211_AMPDU_AGE 1" >> ${.TARGET}
 	echo "#define IEEE80211_SUPPORT_MESH 1" >> ${.TARGET}
 opt_inet.h:
 	echo "#define INET 1" > ${.TARGET}