diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp
index 2e83b6b08b..02310e9242 100644
--- a/src/generic/graphicc.cpp
+++ b/src/generic/graphicc.cpp
@@ -1564,6 +1564,7 @@ wxImage wxCairoBitmapData::ConvertToImage() const
     }
 
     // Prepare for copying data.
+    cairo_surface_flush(m_surface);
     const wxUint32* src = (wxUint32*)cairo_image_surface_get_data(m_surface);
     wxCHECK_MSG( src, wxNullImage, wxS("Failed to get Cairo surface data.") );