diff --git a/cubesatsim/cubesatsim.h b/cubesatsim/cubesatsim.h
index 5ba37b35..26373e7f 100644
--- a/cubesatsim/cubesatsim.h
+++ b/cubesatsim/cubesatsim.h
@@ -130,6 +130,7 @@
 #define PROMPT_REBOOT 13
 #define PROMPT_I2CSCAN 14
 #define PROMPT_WIFI 15
+#define PROMPT_CAMERA 16
 
 #define PAYLOAD_QUERY 1
 #define PAYLOAD_RESET 2