diff --git a/pysysc/structural.py b/pysysc/structural.py
index 49be921..b323fbe 100644
--- a/pysysc/structural.py
+++ b/pysysc/structural.py
@@ -84,6 +84,8 @@ class Simulation(object):
                 cpp.scc.init_logging(cpp.logging.INFO, False)
             elif log_level >= logging.DEBUG:
                 cpp.scc.init_logging(cpp.logging.DEBUG, False)
+            else:
+                cpp.scc.init_logging(cpp.logging.TRACE, False)
         except Exception: # fall back: use basic SystemC logging setup
             verb_lut={
                 logging.FATAL:100, #SC_LOW