diff --git a/src/calibre/gui2/tweak_book/editor/image.py b/src/calibre/gui2/tweak_book/editor/image.py
index 40b5cb4e18..283b4adadc 100644
--- a/src/calibre/gui2/tweak_book/editor/image.py
+++ b/src/calibre/gui2/tweak_book/editor/image.py
@@ -165,7 +165,7 @@ class Editor(QMainWindow):
     def replace_data(self, raw, only_if_different=True):
         # We ignore only_if_different as it is useless in our case, and
         # there is no easy way to check two images for equality
-        self.data = raw
+        self.canvas.load_image(raw)
 
     def apply_settings(self, prefs=None, dictionaries_changed=False):
         pass