diff --git a/src/dynamic_graph/signal_base.py b/src/dynamic_graph/signal_base.py
index 0e0ce5ede3bd55ba10e27cf6f77d6e568a46b01d..a769e4b228f1be04aabd767e00e8abf070102226 100644
--- a/src/dynamic_graph/signal_base.py
+++ b/src/dynamic_graph/signal_base.py
@@ -164,6 +164,8 @@ class SignalBase (object) :
         else :
             raise RuntimeError(
                 "A pointer is required to create SignalBase object.")
+        self.name=self.getName()
+
     @property
     def time(self) :
         """