--- a/lib/curl_transport/Makefile
+++ b/lib/curl_transport/Makefile
@@ -34,6 +34,7 @@ INCLUDES = \
   -I$(BLDDIR)/include \
   -I$(SRCDIR)/include \
   -I$(SRCDIR)/lib/util/include \
+  -I$(STAGING_DIR)/usr/include \
   $(CURL_INCLUDES)
 
 .PHONY: clean