diff --git a/src/rules/order.js b/src/rules/order.js
index 94e5f3581b..4047cc3202 100644
--- a/src/rules/order.js
+++ b/src/rules/order.js
@@ -314,7 +314,7 @@ function computePathRank(ranks, pathGroups, path, maxPosition) {
 function computeRank(context, ranks, name, type, excludedImportTypes) {
   const impType = importType(name, context)
   let rank
-  if (!excludedImportTypes.includes(impType)) {
+  if (excludedImportTypes.indexOf(impType) === -1) {
     rank = computePathRank(ranks.groups, ranks.pathGroups, name, ranks.maxPosition)
   }
   if (!rank) {