diff --git a/package/hostapd/Makefile b/package/hostapd/Makefile
index 6d0b18b..e4e0521 100644
--- a/package/hostapd/Makefile
+++ b/package/hostapd/Makefile
@@ -98,6 +98,7 @@ TARGET_CPPFLAGS := \
 	$(TARGET_CPPFLAGS) \
 	-I$(STAGING_DIR)/usr/include/madwifi \
 	-I$(STAGING_DIR)/usr/include/mac80211 \
+	-I$(PKG_BUILD_DIR/src/crypto \
 	-DCONFIG_LIBNL20 \
 	-D_GNU_SOURCE