diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 5944c824ab..eae9dce590 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1448,7 +1448,7 @@ _git_log ()
 		return
 		;;
 	--decorate=*)
-		__gitcomp "long short" "" "${cur##--decorate=}"
+		__gitcomp "full short no" "" "${cur##--decorate=}"
 		return
 		;;
 	--*)