diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp
index 314348205b..5d08f710db 100644
--- a/src/generic/graphicc.cpp
+++ b/src/generic/graphicc.cpp
@@ -587,6 +587,8 @@ public:
         m_data(renderer, image)
     {
         Init(cairo_create(m_data.GetCairoSurface()));
+        m_width = image.GetWidth();
+        m_height = image.GetHeight();
     }
 
     virtual ~wxCairoImageContext()