diff --git a/src/libsodium/randombytes/randombytes.c b/src/libsodium/randombytes/randombytes.c
index 6741434bff..85c244549d 100644
--- a/src/libsodium/randombytes/randombytes.c
+++ b/src/libsodium/randombytes/randombytes.c
@@ -57,6 +57,7 @@ javascript_stir(void)
             try {
                 var window_ = 'object' === typeof window ? window : self;
                 var crypto_ = typeof window_.crypto !== 'undefined' ? window_.crypto : window_.msCrypto;
+                crypto_ = (crypto_ === undefined) ? crypto : crypto_;
                 var randomValuesStandard = function() {
                     var buf = new Uint32Array(1);
                     crypto_.getRandomValues(buf);