1 files changed, 3 insertions, 0 deletions
diff --git a/src/shell.js b/src/shell.js
index d52cd77d..038fde02 100644
--- a/src/shell.js
+++ b/src/shell.js
@@ -46,6 +46,9 @@ if (ENVIRONMENT_IS_NODE) {
   printErr = function(x) {
     console.log(x);
   };
+  if (typeof print === 'undefined') {
+    print = printErr;
+  }
 
   read = function(url) {
     var xhr = new XMLHttpRequest();