diff --git a/lib/OpenLayers/Control/PanZoom.js b/lib/OpenLayers/Control/PanZoom.js
index 5b51b118d5..32eed2feb7 100644
--- a/lib/OpenLayers/Control/PanZoom.js
+++ b/lib/OpenLayers/Control/PanZoom.js
@@ -111,6 +111,7 @@ OpenLayers.Control.PanZoom.prototype =
      * @param {event} evt
      */
     buttonDown: function (evt) {
+        if (!Event.isLeftClick(evt)) return;
 
         var slide = this.map.getResolution() * this.slideFactor;
         var center = this.map.getCenter();
diff --git a/lib/OpenLayers/Control/PanZoomBar.js b/lib/OpenLayers/Control/PanZoomBar.js
index c354e5f79f..168c928c88 100644
--- a/lib/OpenLayers/Control/PanZoomBar.js
+++ b/lib/OpenLayers/Control/PanZoomBar.js
@@ -127,6 +127,7 @@ OpenLayers.Control.PanZoomBar.prototype =
      *           and sets the zoom level appropriately.
      */
     divClick: function (evt) {
+        if (!Event.isLeftClick(evt)) return;
         var y = evt.xy.y;
         var top = Position.page(evt.object)[1];
         var levels = Math.floor((y - top)/this.zoomStopHeight);
@@ -139,6 +140,7 @@ OpenLayers.Control.PanZoomBar.prototype =
      * event listener for clicks on the slider
      */
     zoomBarDown:function(evt) {
+        if (!Event.isLeftClick(evt)) return;
         this.map.events.register("mousemove", this, this.passEventToSlider);
         this.map.events.register("mouseup", this, this.passEventToSlider);
         this.mouseDragStart = evt.xy.copyOf();
@@ -173,6 +175,7 @@ OpenLayers.Control.PanZoomBar.prototype =
      * and switch to it.
      */
     zoomBarUp:function(evt) {
+        if (!Event.isLeftClick(evt)) return;
         if (this.zoomStart) {
             this.div.style.cursor="default";
             this.map.events.remove("mousemove");