diff --git a/pySim-trace.py b/pySim-trace.py
index ba1568c..d457bf4 100755
--- a/pySim-trace.py
+++ b/pySim-trace.py
@@ -6,7 +6,7 @@
 from pprint import pprint as pp
 
 from pySim.apdu import *
-from pySim.filesystem import RuntimeState
+from pySim.runtime import RuntimeState
 
 from pySim.cards import UiccCardBase
 from pySim.commands import SimCardCommands