diff --git a/build/ltsp/Dockerfile b/build/ltsp/Dockerfile
index fa022f9..f69fb30 100644
--- a/build/ltsp/Dockerfile
+++ b/build/ltsp/Dockerfile
@@ -165,6 +165,8 @@ RUN sed -i "s/\${VERSION}/${VERSION}/" /etc/motd
 
 # Generate image
 ENV OMIT_FUNCTIONS="remove_users"
+ENV ADD_IMAGE_EXCLUDES="/tmp/image.excludes"
+RUN printf "%s\n" kaniko image.excludes.tmp > /tmp/image.excludes
 RUN ltsp image -I /
 
 #-------------------------------------------------------------------------------