diff --git a/script/device/Image.py b/script/device/Image.py
index 6a61e3c..31da7f8 100644
--- a/script/device/Image.py
+++ b/script/device/Image.py
@@ -41,7 +41,7 @@ class ImageMatrix(ReadonlyRegisterBase, ReadonlyRegisterMatrix, Readable.Integer
         self.setParent(image)
     
     def doRead(self):
-        return self.getParent().get_image()
+        return self.getParent().last_image
         
     def getWidth(self):
         return self.getParent().pixel.PIX_XDIM