diff --git a/lib/readline-sync.js b/lib/readline-sync.js
index 049cedb..9222eff 100644
--- a/lib/readline-sync.js
+++ b/lib/readline-sync.js
@@ -296,9 +296,9 @@ exports.setBufferSize = function(newBufSize) {
 exports.prompt = function(options) {
   var readOptions = {
     display:    promptText + '',
-    noEchoBack: options.noEchoBack,
+    noEchoBack: !!(options && options.noEchoBack),
     keyIn:      false,
-    noTrim:     options.noTrim
+    noTrim:     !!(options && options.noTrim)
   };
   return _readlineSync(readOptions);
 };
@@ -308,9 +308,9 @@ exports.question = function(query, options) {
 /* jshint eqnull:true */
     display:    query != null ? query + '' : '',
 /* jshint eqnull:false */
-    noEchoBack: options.noEchoBack,
+    noEchoBack: !!(options && options.noEchoBack),
     keyIn:      false,
-    noTrim:     options.noTrim
+    noTrim:     !!(options && options.noTrim)
   };
   return _readlineSync(readOptions);
 };
diff --git a/package.json b/package.json
index 2d539c9..9144260 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "readline-sync",
-  "version": "0.7.6",
+  "version": "0.7.7",
   "title": "readlineSync",
   "description": "Synchronous Readline for interactively running to have a conversation with the user via a console(TTY).",
   "keywords": [