diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index daccbcc33e..2218a9c6f8 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1181,7 +1181,7 @@ _git_log ()
 		return
 		;;
 	--decorate=*)
-		__gitcomp "long short" "" "${cur##--decorate=}"
+		__gitcomp "full short no" "" "${cur##--decorate=}"
 		return
 		;;
 	--*)