diff --git a/dist/fetch-retry.umd.js b/dist/fetch-retry.umd.js
index 948dde6..a06e973 100644
--- a/dist/fetch-retry.umd.js
+++ b/dist/fetch-retry.umd.js
@@ -68,10 +68,15 @@
         var wrappedFetch = function (attempt) {
           // As of node 18, this is no longer needed since node comes with native support for fetch:
           /* istanbul ignore next */
-          var _input =
+          try {
+            var _input =
             typeof Request !== 'undefined' && input instanceof Request
               ? input.clone()
               : input;
+          } catch (error) {
+            return reject(error);
+          }
+
           fetch(_input, init)
             .then(function (response) {
               if (Array.isArray(retryOn) && retryOn.indexOf(response.status) === -1) {
diff --git a/index.js b/index.js
index 1a9dc43..820b9af 100644
--- a/index.js
+++ b/index.js
@@ -64,10 +64,15 @@ module.exports = function (fetch, defaults) {
       var wrappedFetch = function (attempt) {
         // As of node 18, this is no longer needed since node comes with native support for fetch:
         /* istanbul ignore next */
-        var _input =
+        try {
+          var _input =
           typeof Request !== 'undefined' && input instanceof Request
             ? input.clone()
             : input;
+        } catch (error) {
+          return reject(error);
+        }
+
         fetch(_input, init)
           .then(function (response) {
             if (Array.isArray(retryOn) && retryOn.indexOf(response.status) === -1) {