diff --git a/log-tree.c b/log-tree.c
index c3c8e7e1df..4f69ed176d 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -135,7 +135,7 @@ static int add_ref_decoration(const char *refname, const struct object_id *oid,
 {
 	struct object *obj;
 	enum object_type objtype;
-	enum decoration_type type = DECORATION_NONE;
+	enum decoration_type deco_type = DECORATION_NONE;
 	struct decoration_filter *filter = (struct decoration_filter *)cb_data;
 
 	if (filter && !ref_filter_match(refname, filter))
@@ -162,17 +162,17 @@ static int add_ref_decoration(const char *refname, const struct object_id *oid,
 	obj = lookup_object_by_type(the_repository, oid, objtype);
 
 	if (starts_with(refname, "refs/heads/"))
-		type = DECORATION_REF_LOCAL;
+		deco_type = DECORATION_REF_LOCAL;
 	else if (starts_with(refname, "refs/remotes/"))
-		type = DECORATION_REF_REMOTE;
+		deco_type = DECORATION_REF_REMOTE;
 	else if (starts_with(refname, "refs/tags/"))
-		type = DECORATION_REF_TAG;
+		deco_type = DECORATION_REF_TAG;
 	else if (!strcmp(refname, "refs/stash"))
-		type = DECORATION_REF_STASH;
+		deco_type = DECORATION_REF_STASH;
 	else if (!strcmp(refname, "HEAD"))
-		type = DECORATION_REF_HEAD;
+		deco_type = DECORATION_REF_HEAD;
 
-	add_name_decoration(type, refname, obj);
+	add_name_decoration(deco_type, refname, obj);
 	while (obj->type == OBJ_TAG) {
 		obj = ((struct tag *)obj)->tagged;
 		if (!obj)