diff --git a/package/hostapd/Makefile b/package/hostapd/Makefile
index 6d0b18bcd9..55bef9bfdd 100644
--- a/package/hostapd/Makefile
+++ b/package/hostapd/Makefile
@@ -95,6 +95,7 @@ endef
 
 TARGET_CPPFLAGS := \
 	-I$(STAGING_DIR)/usr/include/libnl-tiny \
+	-I$(PKG_BUILD_DIR)/src/crypto \
 	$(TARGET_CPPFLAGS) \
 	-I$(STAGING_DIR)/usr/include/madwifi \
 	-I$(STAGING_DIR)/usr/include/mac80211 \