diff --git a/packages/flutter/lib/rendering/box.dart b/packages/flutter/lib/rendering/box.dart
index 74bc4a937b..ad7c2936de 100644
--- a/packages/flutter/lib/rendering/box.dart
+++ b/packages/flutter/lib/rendering/box.dart
@@ -1406,7 +1406,7 @@ class RenderImage extends RenderBox {
         return constraints.constrain(new Size(width, height));
       }
     }
-    return constraints.constrain(new Size(width, height));
+    return constraints.constrain(new Size(_image.width.toDouble(), _image.height.toDouble()));
   }
 
   double getMinIntrinsicWidth(BoxConstraints constraints) {