diff --git a/src/core/raster/qgsrasterlayer.cpp b/src/core/raster/qgsrasterlayer.cpp
index 69adcfad354..9fae465aa0a 100644
--- a/src/core/raster/qgsrasterlayer.cpp
+++ b/src/core/raster/qgsrasterlayer.cpp
@@ -4280,7 +4280,7 @@ void *QgsRasterLayer::readData( int bandNo, QgsRasterViewPort *viewPort )
       viewPort->mDrawnExtent.xMaximum(),
       viewPort->mDrawnExtent.yMaximum()
     );
-    mDataProvider->readBlock( bandNo, partExtent, viewPort->drawableAreaXDim, viewPort->drawableAreaYDim, QgsCoordinateReferenceSystem(), QgsCoordinateReferenceSystem(), data );
+    mDataProvider->readBlock( bandNo, partExtent, viewPort->drawableAreaXDim, viewPort->drawableAreaYDim, viewPort->mSrcCRS, viewPort->mDestCRS, data );
   }
   return data;
 }