diff --git a/ROMFS/px4fmu_common/init.d/10016_3dr_iris b/ROMFS/px4fmu_common/init.d/10016_3dr_iris
index 084dff140f..3f47390c15 100644
--- a/ROMFS/px4fmu_common/init.d/10016_3dr_iris
+++ b/ROMFS/px4fmu_common/init.d/10016_3dr_iris
@@ -30,3 +30,6 @@ fi
 set MIXER FMU_quad_w
 
 set PWM_OUTPUTS 1234
+
+set PWM_MIN 1200
+set PWM_MAX 1950
diff --git a/ROMFS/px4fmu_common/init.d/4010_dji_f330 b/ROMFS/px4fmu_common/init.d/4010_dji_f330
index e6e2e19dc0..282ab620da 100644
--- a/ROMFS/px4fmu_common/init.d/4010_dji_f330
+++ b/ROMFS/px4fmu_common/init.d/4010_dji_f330
@@ -23,5 +23,5 @@ then
 	param set MC_YAWRATE_D 0.0
 fi
 
-set PWM_MIN 1175
-set PWM_MAX 1900
+set PWM_MIN 1200
+set PWM_MAX 1950
diff --git a/ROMFS/px4fmu_common/init.d/4011_dji_f450 b/ROMFS/px4fmu_common/init.d/4011_dji_f450
index 3465b59cf7..517b4aa86a 100644
--- a/ROMFS/px4fmu_common/init.d/4011_dji_f450
+++ b/ROMFS/px4fmu_common/init.d/4011_dji_f450
@@ -24,5 +24,5 @@ then
 	param set MC_YAWRATE_D 0.0
 fi
 
-set PWM_MIN 1175
-set PWM_MAX 1900
+set PWM_MIN 1230
+set PWM_MAX 1950