diff --git a/tests/Tile/Image/IFrame.html b/tests/Tile/Image/IFrame.html
index 657f677c08..5dc3af1c94 100644
--- a/tests/Tile/Image/IFrame.html
+++ b/tests/Tile/Image/IFrame.html
@@ -7,7 +7,7 @@
 
     var isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
     var isOpera   = (navigator.userAgent.indexOf("Opera") != -1);
-    var isIE      = (navigator.userAgent.indexOf("MSIE") != -1);
+    var isIElt9      = (parseFloat(navigator.appVersion.split("MSIE")[1]) < 9);
 
     var map, layer;
     var position = new OpenLayers.Pixel(20,30);
@@ -99,14 +99,14 @@
                     tile._blankImageUrl),
              "backgroundImage of eventPane is set.");
         t.eq(parseInt(eventPane.style.zIndex, 10), 1, "zIndex of eventPane is set.");
-        if(isIE) {
+        if(isIElt9) {
             t.ok(iFrame != null, "IFrame successfully created.");
             t.eq(iFrame.style.backgroundColor, '#ffffff', "backgroundColor correctly set.");
             t.eq(iFrame.style.filter, 'chroma(color=#FFFFFF)', "filter correctly set.");
         } else {
             t.ok(iFrame instanceof HTMLElement, "IFrame successfully created.");
-            t.ok(true, 'Skip IFrame backgroundColor test outside IE');
-            t.ok(true, 'Skip IFrame filter test outside IE');
+            t.ok(true, 'Skip IFrame backgroundColor test outside IE < 9');
+            t.ok(true, 'Skip IFrame filter test outside IE < 9');
         }
         t.eq( iFrame.scrolling, 'no', "no scrolling");
         t.eq( parseFloat(iFrame.marginWidth), 0, "no margin width");