diff --git a/sw/ground_segment/joystick/Makefile b/sw/ground_segment/joystick/Makefile
index b6a5e2a6fe..ce72dc2f9e 100644
--- a/sw/ground_segment/joystick/Makefile
+++ b/sw/ground_segment/joystick/Makefile
@@ -28,6 +28,10 @@ include ../../Makefile.ocaml
 
 CC = gcc
 
+CAML_LD_LIBRARY_PATH := /usr/lib/$(shell uname -m)-linux-gnu/:$(CAML_LD_LIBRARY_PATH)
+export CAML_LD_LIBRARY_PATH
+
+
 PKG = -package pprz,glibivy
 LINKPKG = $(PKG) -linkpkg -dllpath-pkg pprz,pprzlink