diff --git a/docker/scripts/build_px4.sh b/docker/scripts/build_px4.sh
index 1ba5260..b49351b 100755
--- a/docker/scripts/build_px4.sh
+++ b/docker/scripts/build_px4.sh
@@ -52,5 +52,5 @@ make px4_sitl_default
 cd ..
 mkdir -p px4_sitl/bin
 mkdir -p px4_sitl/romfs/etc
-cp PX4-Autopilot/build/px4_sitl_default/bin/px4* px4_sitl/bin/
+cp -a PX4-Autopilot/build/px4_sitl_default/bin px4_sitl/
 tar xf PX4-Autopilot/build/px4_sitl_default/romfs_files.tar -C px4_sitl/romfs/etc
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