diff --git a/src/postamble.js b/src/postamble.js
index cd966c19bf74b..9d50c955b2efb 100644
--- a/src/postamble.js
+++ b/src/postamble.js
@@ -41,6 +41,8 @@ if (memoryInitializer) {
     memoryInitializer = Module['locateFile'](memoryInitializer);
   } else if (Module['memoryInitializerPrefixURL']) {
     memoryInitializer = Module['memoryInitializerPrefixURL'] + memoryInitializer;
+  } else if (ENVIRONMENT_IS_NODE) {
+    memoryInitializer = __dirname + '/' + memoryInitializer;
   }
   if (ENVIRONMENT_IS_NODE || ENVIRONMENT_IS_SHELL) {
     var data = Module['readBinary'](memoryInitializer);