diff --git a/share/completions/setfacl.fish b/share/completions/setfacl.fish
index 62d0b7605..0f42ef3b0 100644
--- a/share/completions/setfacl.fish
+++ b/share/completions/setfacl.fish
@@ -7,19 +7,19 @@ function __fish_facl_list_spec_keyword
 end
 
 function __fish_facl_starts_with_spec_user
-  echo (commandline -ct) | __fish_sgrep -q -E 'u(ser)?:'
+  commandline -ct | string match -r "u(ser)?:"
 end
 
 function __fish_facl_starts_with_spec_group
-  echo (commandline -ct) | __fish_sgrep -q -E 'g(roup)?:'
+  commandline -ct | string match -r "g(roup)?:"
 end
 
 function __fish_facl_extract_acl
-  echo (commandline -ct) | __fish_sgrep -o -E '\w*:'
+  commandline -ct | string replace -ar '.*(\w*:).*' '$1'
 end
 
-complete -c setfacl    -s m -s x -l modify -l remove -l set -n '__fish_facl_starts_with_spec_user'  -a '(__fish_facl_extract_acl)(__fish_complete_users  | sed "s/\t/:\t/g")'
-complete -c setfacl    -s m -s x -l modify -l remove -l set -n '__fish_facl_starts_with_spec_group' -a '(__fish_facl_extract_acl)(__fish_complete_groups | sed "s/\t/:\t/g")'
+complete -c setfacl    -s m -s x -l modify -l remove -l set -n '__fish_facl_starts_with_spec_user'  -a '(__fish_facl_extract_acl)(__fish_complete_users  | string replace -a "\t" ":\t")'
+complete -c setfacl    -s m -s x -l modify -l remove -l set -n '__fish_facl_starts_with_spec_group' -a '(__fish_facl_extract_acl)(__fish_complete_groups | string replace -a "\t" ":\t")'
 complete -c setfacl -f -s m -s x -l modify -l remove -l set -a '(__fish_facl_list_spec_keyword)'
 
 complete -c setfacl    -s b -l remove-all     --description 'Remove all extended ACL entries'