diff --git a/install_with_auto_mode.sh b/install_with_auto_mode.sh
index 947e649..ff8a9db 100755
--- a/install_with_auto_mode.sh
+++ b/install_with_auto_mode.sh
@@ -13,6 +13,14 @@ fi
 if [ -n "$CI" ] && [ "$CI" = 1 ]; then
     INSTALL_MODE_FLAG=("--mode" "unattended")
 fi
+# For ROS 2 CI. It's not ideal...
+isDocker(){
+    local cgroup=/proc/1/cgroup
+    test -f $cgroup && [[ "$(<$cgroup)" = *:cpuset:/docker/* ]]
+}
+if isDocker; then
+    INSTALL_MODE_FLAG=("--mode" "unattended")
+fi
 
 # Unless they specifically agree to the license.
 if [ -n "$I_AGREE_TO_PEPPER_MESHES_LICENSE" ] && [ "$I_AGREE_TO_PEPPER_MESHES_LICENSE" = 1 ]; then