diff --git a/lime/graphics/Image.hx b/lime/graphics/Image.hx
index d6e533189..fd255fd0b 100644
--- a/lime/graphics/Image.hx
+++ b/lime/graphics/Image.hx
@@ -208,6 +208,7 @@ class Image {
 				
 				#if js
 				ImageCanvasUtil.convertToData (this);
+				ImageCanvasUtil.convertToData (sourceImage);
 				#end
 				
 				ImageDataUtil.copyPixels (this, sourceImage, sourceRect, destPoint, alphaImage, alphaPoint, mergeAlpha);