diff --git a/win/rfb_win32/ScaledDIBSectionBuffer.cxx b/win/rfb_win32/ScaledDIBSectionBuffer.cxx
index 4e0557f..752cd78 100644
--- a/win/rfb_win32/ScaledDIBSectionBuffer.cxx
+++ b/win/rfb_win32/ScaledDIBSectionBuffer.cxx
@@ -66,6 +66,7 @@
     }
   } else {
     DIBSectionBuffer::setPF(pf);
+    pf = format;
   }
 }