diff --git a/sort_acl.sh b/sort_acl.sh
index 8a40932..3fbfccd 100755
--- a/sort_acl.sh
+++ b/sort_acl.sh
@@ -2,7 +2,7 @@
 # Sorts the output of getfacl records to stdout
 # Assumes filenames don't contain + and |
 
-awk '
+grep -v -e '^user:[^:]' -e '^mask::' | awk '
 BEGIN { RS="\n\n"; FS="\n"; ORS="\n"; OFS="|"}
 // { $2=$2; print }
 ' | sort -k 1,1 -t '|' | tr '\n' '+' | sed 's/+/\n\n/g' | sed 's/|/\n/g'