diff --git a/lib/docker.sh b/lib/docker.sh
index 344b9a0..4606940 100644
--- a/lib/docker.sh
+++ b/lib/docker.sh
@@ -84,7 +84,7 @@ docker_build_image() {
 		# docker expects colon instead of dash
 		dockerDistro="${distro//-/:}"
 		# specific file for evaluated package manager info
-		distroPkgMgr="${DOCKER_DIR}/${distro}-pkg_mgr"
+		distroPkgMgr="${DOCKER_DIR}/$(bash_basename "${distro}-pkg_mgr")"
 		# get package manager info
 
 		# TODO REMOVE