diff --git a/sw/ground_segment/joystick/Makefile b/sw/ground_segment/joystick/Makefile
index a82d224c96..7c56f9f226 100644
--- a/sw/ground_segment/joystick/Makefile
+++ b/sw/ground_segment/joystick/Makefile
@@ -26,7 +26,7 @@ Q=@
 OCAMLC = ocamlc
 OCAMLLIB = ../../lib/ocaml
 TOOLSDIR = ../../tools
-OCAMLINCLUDES= -I $(OCAMLLIB) -I +lablgtk2 -I +xml-light -I $(TOOLSDIR)
+OCAMLINCLUDES= -I $(OCAMLLIB) $(shell ocamlfind query -r -i-format lablgtk2) $(shell ocamlfind query -r -i-format xml-light) -I $(TOOLSDIR)
 LIBPPRZCMA=$(OCAMLLIB)/lib-pprz.cma
 
 all: test_stick input2ivy