1 files changed, 1 insertions, 1 deletions
diff --git a/src/preamble.js b/src/preamble.js
index a1755798..79e225e8 100644
--- a/src/preamble.js
+++ b/src/preamble.js
@@ -505,7 +505,7 @@ Module['allocate'] = allocate;
 function Pointer_stringify(ptr, /* optional */ length) {
 #if UTF_STRING_SUPPORT
   var utf8 = new Runtime.UTF8Processor();
-  var nullTerminated = typeof(length) == "undefined";
+  var nullTerminated = !length;
   var ret = "";
   var i = 0;
   var t;