diff --git a/src/qt/dc.cpp b/src/qt/dc.cpp
index dfde8af7d1..f3989ab32e 100644
--- a/src/qt/dc.cpp
+++ b/src/qt/dc.cpp
@@ -49,6 +49,7 @@ wxQtDCImpl::wxQtDCImpl( wxDC *owner )
     : wxDCImpl( owner )
 {
     m_qtPixmap = NULL;
+    m_qtPainter = NULL;
     m_rasterColourOp = wxQtNONE;
     m_qtPenColor = new QColor;
     m_qtBrushColor = new QColor;