diff --git a/src/ol/Map.js b/src/ol/Map.js
index de9f98a0e3..580681980c 100644
--- a/src/ol/Map.js
+++ b/src/ol/Map.js
@@ -492,16 +492,6 @@ ol.Map.prototype.zoomOut = function() {
     this.setZoom(this.zoom_-1);
 };
 
-/**
- * @param {ol.geom.Point} loc the location being requested 
- * @returns {Array} the position of the location in pixel space
- */
-ol.Map.prototype.getViewportPosition = function(loc) {
-    //TODO: delegate this to the renderers
-    //stub for now to get popups working
-    return [200, 300];
-};
-
 /**
  * @returns {Element} the map overlay element
  */
diff --git a/src/ol/Popup.js b/src/ol/Popup.js
index 96f63db967..112a93d8af 100644
--- a/src/ol/Popup.js
+++ b/src/ol/Popup.js
@@ -162,7 +162,7 @@ ol.Popup.prototype.generateContent_ = function() {
             return this.template_; //stub to return something
         } else {
             ol.error('ol.Popup unabale to generate any content');
-            return '<p>no content</p>'
+            return '<p>no content</p>';
         }
     }
 };
@@ -243,8 +243,8 @@ ol.Popup.prototype.setAnchorOffset_ = function() {
     } else {
         this.pos_ = new ol.geom.Point(this.anchor_.getX(), this.anchor_.getY());
     }
-    
-    var popupPosPx = this.map_.getViewportPosition(this.pos_);
+    var pos = /** @type {ol.Loc} */ (this.pos_);
+    var popupPosPx = this.map_.getPixelForLoc(pos);
     var popupSize = goog.style.getSize(this.container_);
     
     switch(this.placement_) {
@@ -272,7 +272,7 @@ ol.Popup.prototype.setAnchorOffset_ = function() {
                 popupPosPx[0] += this.arrowOffset_;
             }
             break;
-    };
+    }
     this.moveTo_(popupPosPx);
     
 };
diff --git a/src/ol/renderer/MapRenderer.js b/src/ol/renderer/MapRenderer.js
index d43e0518e4..37b564abb1 100644
--- a/src/ol/renderer/MapRenderer.js
+++ b/src/ol/renderer/MapRenderer.js
@@ -90,11 +90,25 @@ ol.renderer.MapRenderer.prototype.getLocForPixel = function(pixel) {
         resolution = this.renderedResolution_,
         size = goog.style.getSize(this.container_);
     return new ol.Loc(
-        center.getX() - (size.width/2 - pixel.x) * resolution,
-        center.getY() + (size.height/2 - pixel.y) * resolution
+        center.getX() - (size.width/2 - pixel.x)*resolution,
+        center.getY() + (size.height/2 - pixel.y)*resolution
     );
 };
 
+/**
+ * @param {ol.Loc} loc
+ * @return {{x: number, y: number}}
+ */
+ol.renderer.MapRenderer.prototype.getPixelForLoc = function(loc) {
+    var center = this.renderedCenter_,
+        resolution = this.renderedResolution_,
+        size = this.getSize();
+    return {
+        x: (size.width*resolution/2 + loc.getX() - center.getX())/resolution,
+        y: (size.height*resolution/2 - loc.getY() + center.getY())/resolution
+    };
+};
+
 /**
  * @return {goog.math.Size} The currently rendered map size in pixels.
  */