diff --git a/index.html b/index.html
index ecea2516..3408252d 100644
--- a/index.html
+++ b/index.html
@@ -2368,7 +2368,7 @@ <h3>Development</h3>
 						This bug was reported and fixed in iOS 4.2 
 					*/
 						
-					if (Browsers.iOS < 4.2)
+					if (Browsers.iOS && Browsers.iOS < 4.2)
 						return this.element.canPlayType(t) == 'probably' || this.element.canPlayType(t) == 'maybe';
 					else 
 						return this.element.canPlayType(t) == 'probably';
@@ -2466,7 +2466,7 @@ <h3>Development</h3>
 						This bug was reported and fixed in iOS 4.2 
 					*/
 						
-					if (Browsers.iOS < 4.2)
+					if (Browsers.iOS && Browsers.iOS < 4.2)
 						return this.element.canPlayType(t) == 'probably' || this.element.canPlayType(t) == 'maybe';
 					else 
 						return this.element.canPlayType(t) == 'probably';