diff --git a/src/deprecation.js b/src/deprecation.js
index d53fff5..f0e927b 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -9,19 +9,25 @@
 // useful for tracking-down where deprecated methods/properties/classes
 // are being used within the code
 function warn(msg) {
-    var stack = new Error().stack; 
+    var stack = new Error().stack;
 
-    // chop off the stack trace which includes pixi.js internal calls
-    stack = stack.split('\n').splice(3).join('\n');
-
-    if (console.groupCollapsed) {
-        console.groupCollapsed('%cDeprecation Warning: %c%s', 'color:#614108;background:#fffbe6', 'font-weight:normal;color:#614108;background:#fffbe6', msg);
-        console.warn(stack);
-        console.groupEnd();
+    // Handle IE < 10 and Safari < 6
+    if (typeof stack === 'undefined') {
+        console.warn('Deprecation Warning: ', msg);
     }
     else {
-        console.warn('Deprecation Warning: ', msg);
-        console.warn(stack);
+        // chop off the stack trace which includes pixi.js internal calls
+        stack = stack.split('\n').splice(3).join('\n');
+
+        if (console.groupCollapsed) {
+            console.groupCollapsed('%cDeprecation Warning: %c%s', 'color:#614108;background:#fffbe6', 'font-weight:normal;color:#614108;background:#fffbe6', msg);
+            console.warn(stack);
+            console.groupEnd();
+        }
+        else {
+            console.warn('Deprecation Warning: ', msg);
+            console.warn(stack);
+        }
     }
 }