diff --git a/WFObj.hh b/WFObj.hh
index ceb8422..7027c7f 100644
--- a/WFObj.hh
+++ b/WFObj.hh
@@ -1,4 +1,7 @@
 
+#ifndef WFOBJ_H
+#define WFOBJ_H
+
 #include <GL/gl.h>
 #include <vector>
 #include <string>
@@ -71,3 +74,5 @@ protected:
     WFObj::loadTextureFunc_t m_loadTexture;
     std::string m_fileName;
 };
+
+#endif