diff --git a/ROMFS/px4fmu_common/mixers/FX79.main.mix b/ROMFS/px4fmu_common/mixers/FX79.main.mix
old mode 100755
new mode 100644
diff --git a/ROMFS/px4fmu_common/mixers/Viper.main.mix b/ROMFS/px4fmu_common/mixers/Viper.main.mix
old mode 100755
new mode 100644