diff --git a/src/msw/graphics.cpp b/src/msw/graphics.cpp
index 04d75772e6..69f3a08e67 100644
--- a/src/msw/graphics.cpp
+++ b/src/msw/graphics.cpp
@@ -417,7 +417,7 @@ wxGraphicsPath* wxGDIPlusContext::CreatePath()
 
 void wxGDIPlusContext::Rotate( wxDouble angle ) 
 {
-    m_context->RotateTransform( angle );
+    m_context->RotateTransform( RadToDeg(angle) );
 }
 
 void wxGDIPlusContext::Translate( wxDouble dx , wxDouble dy )