diff --git a/tests/graphics/affinematrix.cpp b/tests/graphics/affinematrix.cpp
index 8c2717ea2a..f7a16d0793 100644
--- a/tests/graphics/affinematrix.cpp
+++ b/tests/graphics/affinematrix.cpp
@@ -193,7 +193,8 @@ void AffineTransformTestCase::CompareToGraphicsContext()
 
 
     // Create graphics matrix and transform it
-    wxMemoryDC mDc;
+    wxBitmap bmp(10, 10);
+    wxMemoryDC mDc(bmp);
     wxGraphicsContext* gDc = wxGraphicsContext::Create(mDc);
     wxGraphicsMatrix matrixG1 = gDc->CreateMatrix();
     wxGraphicsMatrix matrixG2 = gDc->CreateMatrix();