diff --git a/ROMFS/px4fmu_common/init.d/4080_zmr250 b/ROMFS/px4fmu_common/init.d/4080_zmr250
index d9519a15bc..227ea8e41d 100644
--- a/ROMFS/px4fmu_common/init.d/4080_zmr250
+++ b/ROMFS/px4fmu_common/init.d/4080_zmr250
@@ -20,7 +20,7 @@ then
 	param set MC_ROLL_P 2.0
 	param set MC_ROLLRATE_P 0.05
 	param set MC_ROLLRATE_I 0.2
-	param set MC_ROLLRATE_D	0.0015
+	param set MC_ROLLRATE_D 0.0015
 	param set MC_ROLL_TC 0.18
 
 	param set MC_PITCH_P 2.0