diff --git a/lib/OpenLayers/Control/MouseDefaults.js b/lib/OpenLayers/Control/MouseDefaults.js
index 0efa38043b..78c075d213 100644
--- a/lib/OpenLayers/Control/MouseDefaults.js
+++ b/lib/OpenLayers/Control/MouseDefaults.js
@@ -327,7 +327,7 @@ OpenLayers.Control.MouseDefaults = OpenLayers.Class(OpenLayers.Control, {
             }
             if (e.wheelDelta) {
                 delta = e.wheelDelta/120; 
-                if (window.opera) {
+                if (window.opera && window.opera.version() < 9.2) {
                     delta = -delta;
                 }
             } else if (e.detail) {
diff --git a/lib/OpenLayers/Handler/MouseWheel.js b/lib/OpenLayers/Handler/MouseWheel.js
index 29753407f8..060022a7ec 100644
--- a/lib/OpenLayers/Handler/MouseWheel.js
+++ b/lib/OpenLayers/Handler/MouseWheel.js
@@ -88,7 +88,7 @@ OpenLayers.Handler.MouseWheel = OpenLayers.Class(OpenLayers.Handler, {
             }
             if (e.wheelDelta) {
                 delta = e.wheelDelta/120; 
-                if (window.opera) {
+                if (window.opera && window.opera.version() < 9.2) {
                     delta = -delta;
                 }
             } else if (e.detail) {
diff --git a/tests/Handler/test_MouseWheel.html b/tests/Handler/test_MouseWheel.html
index be5187f7f0..55110da60d 100644
--- a/tests/Handler/test_MouseWheel.html
+++ b/tests/Handler/test_MouseWheel.html
@@ -56,7 +56,7 @@
         handler.setMap(map);
         handler.activate();
         var delta = 120;
-        if (window.opera)  delta = -delta;
+        if (window.opera && window.opera.version() < 9.2)  delta = -delta;
         handler.onWheelEvent({'target':map.div, wheelDelta: delta});
         t.ok(pass, "evt.xy was set even without a mouse move");
     }