diff --git a/src/ol/renderer/canvas/canvasimagelayerrenderer.js b/src/ol/renderer/canvas/canvasimagelayerrenderer.js
index 4b7e4eb534..69a41c6eb5 100644
--- a/src/ol/renderer/canvas/canvasimagelayerrenderer.js
+++ b/src/ol/renderer/canvas/canvasimagelayerrenderer.js
@@ -95,7 +95,7 @@ ol.renderer.canvas.ImageLayer.prototype.prepareFrame =
   if (!goog.isNull(this.image_)) {
     image = this.image_;
     var imageExtent = image.getExtent();
-    var imageResolution = image.getResolution();
+    var imageResolution = image.getResolution() / image.getPixelRatio();
     var devicePixelRatio = frameState.devicePixelRatio;
     ol.vec.Mat4.makeTransform2D(this.imageTransform_,
         devicePixelRatio * frameState.size[0] / 2,
diff --git a/src/ol/source/imagewmssource.js b/src/ol/source/imagewmssource.js
index 21c3deeed7..752351fb2a 100644
--- a/src/ol/source/imagewmssource.js
+++ b/src/ol/source/imagewmssource.js
@@ -84,7 +84,7 @@ ol.source.ImageWMS.prototype.getImage =
   ol.extent.scaleFromCenter(extent, this.ratio_);
   var width = (extent[2] - extent[0]) / resolution;
   var height = (extent[3] - extent[1]) / resolution;
-  var size = [width, height];
+  var size = [width * pixelRatio, height * pixelRatio];
 
   this.image_ = this.createImage(
       extent, resolution, pixelRatio, size, projection);
diff --git a/src/ol/source/mapguidesource.js b/src/ol/source/mapguidesource.js
index 4d7d8001ca..2e9ba8aa44 100644
--- a/src/ol/source/mapguidesource.js
+++ b/src/ol/source/mapguidesource.js
@@ -89,7 +89,7 @@ ol.source.MapGuide.prototype.getImage =
   }
   var width = (extent[2] - extent[0]) / resolution;
   var height = (extent[3] - extent[1]) / resolution;
-  var size = [width, height];
+  var size = [width * pixelRatio, height * pixelRatio];
 
   this.image_ = this.createImage(
       extent, resolution, pixelRatio, size, projection);