diff --git a/src/entity-py.cc b/src/entity-py.cc
index a6cc0b7c821b0e1903959198d14c2646e9864feb..2af926fd43fe1def5df3541089cf98766947041e 100644
--- a/src/entity-py.cc
+++ b/src/entity-py.cc
@@ -60,7 +60,7 @@ namespace dynamicgraph {
 	}
 
 	// Return the pointer as a PyCObject
-	return PyCObject_FromVoidPtr((void*)obj, destroy);
+	return PyCObject_FromVoidPtr((void*)obj, NULL);
       }
 
       /**