diff --git a/pandatool/src/xfile/xFile.cxx b/pandatool/src/xfile/xFile.cxx
index c5534e0af1..3c0d7b3445 100644
--- a/pandatool/src/xfile/xFile.cxx
+++ b/pandatool/src/xfile/xFile.cxx
@@ -34,7 +34,7 @@ PT(XFile) XFile::_standard_templates;
  *
  */
 XFile::
-XFile(bool keep_names) : XFileNode(this, "") {
+XFile(bool keep_names) : XFileNode(this) {
   _major_version = 3;
   _minor_version = 2;
   _format_type = FT_text;
diff --git a/pandatool/src/xfile/xFileNode.I b/pandatool/src/xfile/xFileNode.I
index 6032a749e2..735c2dce3a 100644
--- a/pandatool/src/xfile/xFileNode.I
+++ b/pandatool/src/xfile/xFileNode.I
@@ -11,6 +11,16 @@
  * @date 2004-10-03
  */
 
+/**
+ *
+ */
+INLINE XFileNode::
+XFileNode(XFile *x_file) :
+  Namable(),
+  _x_file(x_file)
+{
+}
+
 /**
  *
  */
diff --git a/pandatool/src/xfile/xFileNode.h b/pandatool/src/xfile/xFileNode.h
index a954b8f9fd..2cd9f6d3f6 100644
--- a/pandatool/src/xfile/xFileNode.h
+++ b/pandatool/src/xfile/xFileNode.h
@@ -38,6 +38,9 @@ class Filename;
  */
 class XFileNode : public TypedObject, public Namable,
                   virtual public ReferenceCount {
+protected:
+  INLINE XFileNode(XFile *x_file);
+
 public:
   XFileNode(XFile *x_file, const std::string &name);
   virtual ~XFileNode();