diff --git a/share/completions/git.fish b/share/completions/git.fish
index bbbb51d31..123e0bc30 100644
--- a/share/completions/git.fish
+++ b/share/completions/git.fish
@@ -886,7 +886,12 @@ reference\t<abbrev-hash> (<title-line>, <short-author-date>)
 email\t<sha1> <date> / <author> / <author date> / <title> / <commit msg>
 mboxrd\tLike email, but lines in the commit message starting with \"From \" are quoted with \">\"
 raw\tShow the entire commit exactly as stored in the commit object
-format:\tSpecify which information to show"
+format:\tSpecify which information to show
+"
+            __fish_git config -z --get-regexp '^pretty\.' 2>/dev/null | while read -lz key value
+                set -l name (string replace -r '^.*?\.' '' -- $key)
+                printf "%s\t%s\n" $name $value
+            end
     end
 end