diff --git a/index.js b/index.js
index f0206cc..185dd2d 100644
--- a/index.js
+++ b/index.js
@@ -9,7 +9,7 @@ function md5(str) {
 
 async function getResponse(cacheDirPath, requestArguments, bodyFunctionName) {
   const [url, requestInit, ...rest] = requestArguments;
-  const requestParams = requestInit.body
+  const requestParams = requestInit && requestInit.body
     ? ({ ...requestInit, body: typeof requestInit.body === 'object' ? requestInit.body.toString() : requestInit.body })
     : requestInit;
 
diff --git a/package-lock.json b/package-lock.json
index 5c30dba..83f7126 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "node-fetch-cache",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 50f23ad..b514309 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "node-fetch-cache",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "description": "node-fetch with a persistent cache.",
   "main": "index.js",
   "scripts": {