diff --git a/modules/juce_graphics/native/juce_Direct2DImage_windows.cpp b/modules/juce_graphics/native/juce_Direct2DImage_windows.cpp
index 139e07dbac..1c514f03d9 100644
--- a/modules/juce_graphics/native/juce_Direct2DImage_windows.cpp
+++ b/modules/juce_graphics/native/juce_Direct2DImage_windows.cpp
@@ -580,6 +580,8 @@ void Direct2DPixelData::moveValidatedImageSection (Point<int> destTopLeft, Recta
         return;
     }
 
+    sendDataChangeMessage();
+
     Ptr staging = new Direct2DPixelData { pixelFormat,
                                           sourceRect.getWidth(),
                                           sourceRect.getHeight(),
@@ -777,6 +779,8 @@ void Direct2DPixelData::initialiseBitmapData (Image::BitmapData& bitmap,
     if (mode == Image::BitmapData::readOnly)
         return;
 
+    sendDataChangeMessage();
+
     struct Releaser : public Image::BitmapData::BitmapDataReleaser
     {
         Releaser (std::unique_ptr<BitmapDataReleaser> wrappedIn, Ptr selfIn)