diff --git a/src/modules/sdlog2/sdlog2_messages.h b/src/modules/sdlog2/sdlog2_messages.h
index 1e2441c331..baac2ee3ec 100644
--- a/src/modules/sdlog2/sdlog2_messages.h
+++ b/src/modules/sdlog2/sdlog2_messages.h
@@ -304,7 +304,7 @@ static const struct log_format_s log_formats[] = {
 	LOG_FORMAT(ARSP, "fff", "RollRateSP,PitchRateSP,YawRateSP"),
 	LOG_FORMAT(FLOW, "hhfffBB", "RawX,RawY,CompX,CompY,Dist,Q,SensID"),
 	LOG_FORMAT(GPOS, "LLffff", "Lat,Lon,Alt,VelN,VelE,VelD"),
-	LOG_FORMAT(GPSP, "LLffBfbf", "NavState,Lat,Lon,Alt,Yaw,Type,LoitR,LoitDir,PitMin"),
+	LOG_FORMAT(GPSP, "BLLffBfbf", "NavState,Lat,Lon,Alt,Yaw,Type,LoitR,LoitDir,PitMin"),
 	LOG_FORMAT(ESC, "HBBBHHHHHHfH", "Counter,NumESC,Conn,N,Ver,Adr,Volt,Amp,RPM,Temp,SetP,SetPRAW"),
 	LOG_FORMAT(GVSP, "fff", "VX,VY,VZ"),
 	LOG_FORMAT(BATT, "ffff", "V,VFilt,C,Discharged"),