diff --git a/lib/response.js b/lib/response.js
index 398993a..242f0bc 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -74,6 +74,11 @@ var IncomingMessage = exports.IncomingMessage = function (xhr, response, mode, f
 			} catch (e) {} // pipeTo method isn't defined. Can't find a better way to feature test this
 		}
 		// fallback for when writableStream or pipeTo aren't available
+		if (!response.body) {
+			global.clearTimeout(fetchTimer)
+			self.push(null)
+			return
+		}
 		var reader = response.body.getReader()
 		function read () {
 			reader.read().then(function (result) {