diff --git a/ROMFS/px4fmu_common/init.d/rcS b/ROMFS/px4fmu_common/init.d/rcS
index 14048b1461..1e31b0e9c7 100644
--- a/ROMFS/px4fmu_common/init.d/rcS
+++ b/ROMFS/px4fmu_common/init.d/rcS
@@ -862,6 +862,14 @@ then
 			fi
 		else
 			set LOGGER_ARGS ""
+			#
+			# Adjust FMUv5 logging settings
+			#
+			if ver hwcmp PX4FMU_V5
+			then
+				set LOGGER_BUF 64
+				set SDLOG_MODE 3
+			fi
 			if param compare SDLOG_MODE 1
 			then
 				set LOGGER_ARGS "-e"