diff --git a/libraries/DataFlash/DataFlash.h b/libraries/DataFlash/DataFlash.h
index 252a75a103..84aea8d396 100644
--- a/libraries/DataFlash/DataFlash.h
+++ b/libraries/DataFlash/DataFlash.h
@@ -203,6 +203,7 @@ struct PACKED log_IMU {
     float gyro_x, gyro_y, gyro_z;
     float accel_x, accel_y, accel_z;
     uint32_t gyro_error, accel_error;
+    float temperature;
 };
 
 struct PACKED log_RCIN {
@@ -529,7 +530,7 @@ Format characters in the format string for binary log messages
     { LOG_GPS_MSG, sizeof(log_GPS), \
       "GPS",  "BIHBcLLeeEefI", "Status,TimeMS,Week,NSats,HDop,Lat,Lng,RelAlt,Alt,Spd,GCrs,VZ,T" }, \
     { LOG_IMU_MSG, sizeof(log_IMU), \
-      "IMU",  "IffffffII",     "TimeMS,GyrX,GyrY,GyrZ,AccX,AccY,AccZ,ErrG,ErrA" }, \
+      "IMU",  "IffffffIIf",     "TimeMS,GyrX,GyrY,GyrZ,AccX,AccY,AccZ,ErrG,ErrA,Temp" }, \
     { LOG_MESSAGE_MSG, sizeof(log_Message), \
       "MSG",  "Z",     "Message"}, \
     { LOG_RCIN_MSG, sizeof(log_RCIN), \
@@ -564,9 +565,9 @@ Format characters in the format string for binary log messages
     { LOG_GPS2_MSG, sizeof(log_GPS2), \
       "GPS2",  "BIHBcLLeEefIBI", "Status,TimeMS,Week,NSats,HDop,Lat,Lng,Alt,Spd,GCrs,VZ,T,DSc,DAg" }, \
     { LOG_IMU2_MSG, sizeof(log_IMU), \
-      "IMU2",  "IffffffII",     "TimeMS,GyrX,GyrY,GyrZ,AccX,AccY,AccZ,ErrG,ErrA" }, \
+      "IMU2",  "IffffffIIf",     "TimeMS,GyrX,GyrY,GyrZ,AccX,AccY,AccZ,ErrG,ErrA,Temp" }, \
     { LOG_IMU3_MSG, sizeof(log_IMU), \
-      "IMU3",  "IffffffII",     "TimeMS,GyrX,GyrY,GyrZ,AccX,AccY,AccZ,ErrG,ErrA" }, \
+      "IMU3",  "IffffffIIf",     "TimeMS,GyrX,GyrY,GyrZ,AccX,AccY,AccZ,ErrG,ErrA,Temp" }, \
     { LOG_AHR2_MSG, sizeof(log_AHRS), \
       "AHR2","IccCfLL","TimeMS,Roll,Pitch,Yaw,Alt,Lat,Lng" }, \
     { LOG_SIMSTATE_MSG, sizeof(log_AHRS), \
diff --git a/libraries/DataFlash/LogFile.cpp b/libraries/DataFlash/LogFile.cpp
index de1e528979..90a649b0cd 100644
--- a/libraries/DataFlash/LogFile.cpp
+++ b/libraries/DataFlash/LogFile.cpp
@@ -800,7 +800,8 @@ void DataFlash_Class::Log_Write_IMU(const AP_InertialSensor &ins)
         accel_y : accel.y,
         accel_z : accel.z,
         gyro_error  : ins.get_gyro_error_count(0),
-        accel_error : ins.get_accel_error_count(0)
+        accel_error : ins.get_accel_error_count(0),
+        temperature : ins.get_temperature(0)
     };
     WriteBlock(&pkt, sizeof(pkt));
     if (ins.get_gyro_count() < 2 && ins.get_accel_count() < 2) {
@@ -819,7 +820,8 @@ void DataFlash_Class::Log_Write_IMU(const AP_InertialSensor &ins)
         accel_y : accel2.y,
         accel_z : accel2.z,
         gyro_error  : ins.get_gyro_error_count(1),
-        accel_error : ins.get_accel_error_count(1)
+        accel_error : ins.get_accel_error_count(1),
+        temperature : ins.get_temperature(1)
     };
     WriteBlock(&pkt2, sizeof(pkt2));
     if (ins.get_gyro_count() < 3 && ins.get_accel_count() < 3) {
@@ -837,7 +839,8 @@ void DataFlash_Class::Log_Write_IMU(const AP_InertialSensor &ins)
         accel_y : accel3.y,
         accel_z : accel3.z,
         gyro_error  : ins.get_gyro_error_count(2),
-        accel_error : ins.get_accel_error_count(2)
+        accel_error : ins.get_accel_error_count(2),
+        temperature : ins.get_temperature(2)
     };
     WriteBlock(&pkt3, sizeof(pkt3));
 #endif