diff --git a/include/hamlib/rotlist.h b/include/hamlib/rotlist.h
index 744c716ca..62d64ffe4 100644
--- a/include/hamlib/rotlist.h
+++ b/include/hamlib/rotlist.h
@@ -557,6 +557,7 @@
 #define ROT_MODEL_PROSISTEL_D_AZ ROT_MAKE_MODEL(ROT_PROSISTEL, 1)
 #define ROT_MODEL_PROSISTEL_D_EL ROT_MAKE_MODEL(ROT_PROSISTEL, 2)
 #define ROT_MODEL_PROSISTEL_COMBI_TRACK_AZEL ROT_MAKE_MODEL(ROT_PROSISTEL, 3)
+#define ROT_MODEL_PROSISTEL_D_EL_CBOXAZ ROT_MAKE_MODEL(ROT_PROSISTEL, 4)
 
 
 /**