diff --git a/wfobj/WFObj.cc b/wfobj/WFObj.cc
index c091f15..e56285d 100644
--- a/wfobj/WFObj.cc
+++ b/wfobj/WFObj.cc
@@ -14,7 +14,7 @@
 using namespace std;
 
 #define WHITESPACE " \n\r\t\v"
-// #define DEBUGGL
+#define DEBUGGL
 
 /****** static functions ******/
 
@@ -534,6 +534,7 @@ void WFMtl::renderEnd(const string & mtlname)
 		cout << " glPopAttrib()" << endl;
 #endif
 		glPopAttrib();
+		m_attributesPushed = false;
 	}
 }