diff --git a/libraries/AP_Logger/AP_Logger_Backend.cpp b/libraries/AP_Logger/AP_Logger_Backend.cpp
index 81dc0582ac..c054f44955 100644
--- a/libraries/AP_Logger/AP_Logger_Backend.cpp
+++ b/libraries/AP_Logger/AP_Logger_Backend.cpp
@@ -561,6 +561,7 @@ bool AP_Logger_Backend::Write_VER()
         patch: fwver.patch,
         fw_type: fwver.fw_type,
         git_hash: fwver.fw_hash,
+        build_type: fwver.vehicle_type,
     };
     strncpy(pkt.fw_string, fwver.fw_string, ARRAY_SIZE(pkt.fw_string)-1);
 
diff --git a/libraries/AP_Logger/LogStructure.h b/libraries/AP_Logger/LogStructure.h
index d804e6ffbf..d44aa7156b 100644
--- a/libraries/AP_Logger/LogStructure.h
+++ b/libraries/AP_Logger/LogStructure.h
@@ -684,6 +684,7 @@ struct PACKED log_VER {
     uint32_t git_hash;
     char fw_string[64];
     uint16_t _APJ_BOARD_ID;
+    uint8_t build_type;
 };
 
 
@@ -1344,7 +1345,7 @@ LOG_STRUCTURE_FROM_AIS \
     { LOG_SCRIPTING_MSG, sizeof(log_Scripting), \
       "SCR",   "QNIii", "TimeUS,Name,Runtime,Total_mem,Run_mem", "s-sbb", "F-F--", true }, \
     { LOG_VER_MSG, sizeof(log_VER), \
-      "VER",   "QBHBBBBIZH", "TimeUS,BT,BST,Maj,Min,Pat,FWT,GH,FWS,APJ", "s---------", "F---------", false }, \
+      "VER",   "QBHBBBBIZHB", "TimeUS,BT,BST,Maj,Min,Pat,FWT,GH,FWS,APJ,BU", "s----------", "F----------", false }, \
     { LOG_MOTBATT_MSG, sizeof(log_MotBatt), \
       "MOTB", "QfffffB",  "TimeUS,LiftMax,BatVolt,ThLimit,ThrAvMx,ThrOut,FailFlags", "s------", "F------" , true }