diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index e32c1f1a9..678a155f2 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -848,6 +848,7 @@ _git_log ()
 			--stat --numstat --shortstat
 			--decorate --diff-filter=
 			--color-words --walk-reflogs
+			--parents --children --full-history
 			"
 		return
 		;;