diff --git a/python/simulation.py b/python/simulation.py
index 0e383244e..74c53a729 100644
--- a/python/simulation.py
+++ b/python/simulation.py
@@ -2924,7 +2924,7 @@ def complexarray(re, im):
 
 
 def quiet(quietval=True):
-    mp.cvar.verbose = int(not quietval)
+    mp.cvar.verbosity = int(not quietval)
 
 def verbosity(verbose_val):
-    mp.cvar.verbose = verbose_val
+    mp.cvar.verbosity = verbose_val