diff --git a/builder/image-build-ros.sh b/builder/image-build-ros.sh
index 61c065d31..b0d05fc56 100755
--- a/builder/image-build-ros.sh
+++ b/builder/image-build-ros.sh
@@ -26,6 +26,7 @@ echo "=== Building ROS from scratch"
 #echo "deb http://packages.ros.org/ros/ubuntu $(lsb_release -sc) main" > /etc/apt/sources.list.d/ros-latest.list
 #curl -s https://raw.githubusercontent.com/ros/rosdistro/master/ros.asc | sudo apt-key add -
 
+cp /etc/apt/trusted.gpg /etc/apt/trusted.gpg.d # https://askubuntu.com/a/1408456
 apt-get update
 apt-get install -y python3-distutils python3-rosdep python3-rosinstall-generator build-essential git # python3-vcstool