diff --git a/src/osx/carbon/graphics.cpp b/src/osx/carbon/graphics.cpp
index 36ccab6406..8dfcacacef 100644
--- a/src/osx/carbon/graphics.cpp
+++ b/src/osx/carbon/graphics.cpp
@@ -1814,6 +1814,7 @@ bool wxMacCoreGraphicsContext::EnsureIsValid()
                 }
             }
 #endif
+            m_initTransform = CGContextGetCTM(m_cgContext);
             CGContextConcatCTM( m_cgContext, m_windowTransform );
             CGContextSetTextMatrix( m_cgContext, CGAffineTransformIdentity );
             m_contextSynthesized = true;