diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 31cfd1f89a72..7d4971aa443f 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -46,3 +46,5 @@ rc80211_minstrel-$(CONFIG_MAC80211_DEBUGFS) += rc80211_minstrel_debugfs.o
 
 mac80211-$(CONFIG_MAC80211_RC_PID) += $(rc80211_pid-y)
 mac80211-$(CONFIG_MAC80211_RC_MINSTREL) += $(rc80211_minstrel-y)
+
+ccflags-y += -D__CHECK_ENDIAN__
diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index 9bc412c83430..938a334c8dbc 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -8,3 +8,5 @@ obj-$(CONFIG_LIB80211_CRYPT_TKIP) += lib80211_crypt_tkip.o
 cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o
 cfg80211-$(CONFIG_WIRELESS_EXT) += wext-compat.o
 cfg80211-$(CONFIG_NL80211) += nl80211.o
+
+ccflags-y += -D__CHECK_ENDIAN__