diff --git a/src/osgPlugins/txp/trpage_managers.cpp b/src/osgPlugins/txp/trpage_managers.cpp
index 4175380bc..52bc11caa 100644
--- a/src/osgPlugins/txp/trpage_managers.cpp
+++ b/src/osgPlugins/txp/trpage_managers.cpp
@@ -1069,6 +1069,10 @@ trpgPageManageTester::trpgPageManageTester()
 {
     manager = NULL;
     archive = NULL;
+
+    printBuf = NULL;
+
+    majorVersion = minorVersion = 0;
 }
 
 trpgPageManageTester::~trpgPageManageTester()