diff --git a/pisi/signalhandler.py b/pisi/signalhandler.py
index b0e22af5..9526c92b 100644
--- a/pisi/signalhandler.py
+++ b/pisi/signalhandler.py
@@ -38,7 +38,8 @@ class SignalHandler:
 
     def enable_signal(self, sig):
         if sig in self.signals.keys():
-            oldhandler = self.signals[sig].oldhandler if self.signals[sig].oldhandler else signal.SIG_DFL
+            oldie = self.signals[sig].oldhandler
+            oldhandler =  oldie if oldie else signal.SIG_DFL
             pending = self.signals[sig].pending
             del self.signals[sig]
             signal.signal(sig, oldhandler)