diff --git a/examples/osd/arduino-climate/Makefile b/examples/osd/arduino-climate/Makefile
index 3fae35b09..ae5976b07 100644
--- a/examples/osd/arduino-climate/Makefile
+++ b/examples/osd/arduino-climate/Makefile
@@ -48,6 +48,8 @@ APPS += er-coap
 APPS += rest-engine
 APPS += serial-shell
 APPS += arduino
+APPS += json-resource 
+APPS += json ota-update
 
 include $(CONTIKI)/Makefile.include
 include $(CONTIKI)/apps/arduino/Makefile.include
diff --git a/examples/osd/arduino-climate/sketch.pde b/examples/osd/arduino-climate/sketch.pde
index 72fba5f6c..6d8ca2fa6 100644
--- a/examples/osd/arduino-climate/sketch.pde
+++ b/examples/osd/arduino-climate/sketch.pde
@@ -19,6 +19,7 @@ extern "C" {
 #include "net/netstack.h"
 #include "serial-shell.h"
 #include "shell-merkur.h"
+#include "ota-update.h"
 
 Adafruit_HTU21DF htu = Adafruit_HTU21DF();
 
@@ -45,6 +46,7 @@ void setup (void)
     }
     // init coap resourcen
     rest_init_engine ();
+    OTA_ACTIVATE_RESOURCES();
 #pragma GCC diagnostic ignored "-Wwrite-strings"
     rest_activate_resource (&res_htu21dtemp, "s/temp");
     rest_activate_resource (&res_htu21dhum, "s/hum");