diff --git a/ndlib/models/epidemics/IsingFluctuationModel.py b/ndlib/models/epidemics/IsingFluctuationModel.py
index d27e085..1c3f68b 100644
--- a/ndlib/models/epidemics/IsingFluctuationModel.py
+++ b/ndlib/models/epidemics/IsingFluctuationModel.py
@@ -73,6 +73,7 @@ def __change_status(self, u):
                 if flip == 1:
                     return True
                 return False
+            return False
 
         # Fixed temperature scenario
         dif = s_u_inv - s_u