diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index be800e09bd..48c3abdf98 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -321,7 +321,7 @@ __git_refs ()
 				if [[ "$ref" == "$cur"* ]]; then
 					echo "$ref"
 				fi
-			done | uniq -u
+			done | sort | uniq -u
 		fi
 		return
 	fi