diff --git a/cdist/conf/explorer/os b/cdist/conf/explorer/os
index 8f54d9c8..46d87f3e 100755
--- a/cdist/conf/explorer/os
+++ b/cdist/conf/explorer/os
@@ -144,6 +144,7 @@ esac
 
 if [ -f /etc/os-release ]; then
    # after sles15, suse don't provide an /etc/SuSE-release anymore, but there is almost no difference between sles and opensuse leap, so call it suse
+   # shellcheck disable=SC1091
    if (. /etc/os-release && echo "${ID_LIKE}" | grep -q '\(^\|\ \)suse\($\|\ \)')
    then
       echo suse