diff --git a/src/entity-py.cc b/src/entity-py.cc
index dde0c6ad6408ddcb6db431e9078b73c1408dd730..325824f83d7fdac87f2b2c4a88e295c46a8af0d9 100644
--- a/src/entity-py.cc
+++ b/src/entity-py.cc
@@ -157,7 +157,7 @@ namespace dynamicgraph {
 	return Py_BuildValue("");
       }
 
-      PyObject* listSignals(PyObject* self, PyObject* args)
+      PyObject* listSignals(PyObject* /*self*/, PyObject* args)
       {
 	void* pointer = NULL;
 	PyObject* object = NULL;