diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 2141b6b6ba4cfed2c2ea3beca1e1149d489b75fa..0eb8df020be3c6dd0e701428a6335316aa608b6a 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -761,6 +761,7 @@ _git_log ()
 			--pretty= --name-status --name-only --raw
 			--not --all
 			--left-right --cherry-pick
+			--graph
 			"
 		return
 		;;