diff --git a/src/xml.h b/src/xml.h
index 5ba87a9..448056e 100644
--- a/src/xml.h
+++ b/src/xml.h
@@ -20,8 +20,8 @@
  *
  *  3. This notice may not be removed or altered from any source distribution.
  */
-#ifndef HEADER_GLTOOLKIT_XML
-#define HEADER_GLTOOLKIT_XML
+#ifndef HEADER_XML
+#define HEADER_XML
 
 
 /**