diff --git a/make/hostap.mk b/make/hostap.mk
index be01117ee7..250943c286 100644
--- a/make/hostap.mk
+++ b/make/hostap.mk
@@ -19,6 +19,8 @@ $(HOSTAP_BUILD_DIR)/.unpacked: $(DL_DIR)/$(HOSTAP_SOURCE)
 	touch $(HOSTAP_BUILD_DIR)/.unpacked
 
 $(HOSTAP_BUILD_DIR)/.configured: $(HOSTAP_BUILD_DIR)/.unpacked
+	perl -pi -e "s,/* #define PRISM2_DOWNLOAD_SUPPORT */,#define PRISM2_DOWNLOAD_SUPPORT,g" \
+		$(HOSTAP_BUILD_DIR)/driver/modules/hostap_config.h
 	touch  $(HOSTAP_BUILD_DIR)/.configured
 
 $(HOSTAP_BUILD_DIR)/driver/modules/hostap.o: $(HOSTAP_BUILD_DIR)/.configured