diff --git a/src/index.js b/src/index.js
index 3f565b8..cd1dda6 100644
--- a/src/index.js
+++ b/src/index.js
@@ -173,8 +173,13 @@ export default (function create(/** @type {Options} */ defaults) {
 			customHeaders['content-type'] = 'application/json';
 		}
 
-		const m =
-			typeof document !== 'undefined' && document.cookie.match(RegExp('(^|; )' + options.xsrfCookieName + '=([^;]*)'));
+		let m;
+
+		try {
+			m =
+				typeof document !== 'undefined' &&
+				document.cookie.match(RegExp('(^|; )' + options.xsrfCookieName + '=([^;]*)'));
+		} catch (e) {}
 		if (m) customHeaders[options.xsrfHeaderName] = decodeURIComponent(m[2]);
 
 		if (options.auth) {