diff --git a/ROMFS/px4fmu_common/init.d/4009_qav250 b/ROMFS/px4fmu_common/init.d/4009_qav250
index 2d0e3ebe41..bcb2c1d2ce 100644
--- a/ROMFS/px4fmu_common/init.d/4009_qav250
+++ b/ROMFS/px4fmu_common/init.d/4009_qav250
@@ -32,4 +32,5 @@ then
 	param set MPC_THR_MIN 0.06
 	param set MPC_MANTHR_MIN 0.06
 	param set CBRK_IO_SAFETY 22027
+	param set ATT_BIAS_MAX 0.0
 fi