diff --git a/src/common/cmndata.cpp b/src/common/cmndata.cpp
index d2d1fee292..b0bc37a2fb 100644
--- a/src/common/cmndata.cpp
+++ b/src/common/cmndata.cpp
@@ -185,6 +185,7 @@ wxPrintData::wxPrintData(const wxPrintData& printData)
     : wxObject()
 {
     m_nativeData = NULL;
+    m_privData = NULL;
     (*this) = printData;
 }