diff --git a/secop/modules.py b/secop/modules.py
index 63dfff3..920059c 100644
--- a/secop/modules.py
+++ b/secop/modules.py
@@ -506,7 +506,7 @@ class Module(HasAccessibles):
     def pollOneParam(self, pname):
         """poll parameter <pname> with proper error handling"""
         try:
-            return getattr(self, 'read_' + pname)()
+            getattr(self, 'read_' + pname)()
         except SilentError:
             pass
         except SECoPError as e: