diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 51c2dd4dec3..39b81f7a685 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1991,6 +1991,7 @@ _git_config ()
 		fetch.unpackLimit
 		format.attach
 		format.cc
+		format.coverLetter
 		format.headers
 		format.numbered
 		format.pretty