diff --git a/dstat_interface/analysis.py b/dstat_interface/analysis.py
index 33144c068e58bb9184991549bc0b0d5865e96e22..9526872c78e4c7a9845184efb13eec70c546daa5 100755
--- a/dstat_interface/analysis.py
+++ b/dstat_interface/analysis.py
@@ -85,11 +85,9 @@ class AnalysisOptions(object):
     
     @params.setter
     def params(self, params):
-        try:
-            for key in self._params:
+        for key in self._params:
+            if key in params:
                 self._params[key] = params[key]
-        except KeyError as e:
-            logger.warning("Missing parameter - %s" % e)
         
         self.stats_button.set_active(self._params['stats_true'])
         self.stats_start_button.set_active(self._params['stats_start_true'])
diff --git a/dstat_interface/interface/adc_pot.py b/dstat_interface/interface/adc_pot.py
index b223cd2e3a1ad02955611e4d25f40dad49220fb8..aafaacdaeddd226a3ac7ec573c95d957d86a90b9 100755
--- a/dstat_interface/interface/adc_pot.py
+++ b/dstat_interface/interface/adc_pot.py
@@ -121,10 +121,8 @@ class adc_pot(object):
             self._params = dict.fromkeys(self.ui.keys())
         
         for i in self._params:
-            try:
+            if i in params:
                 self._params[i] = params[i]
-            except KeyError as e:
-                _logger.error("Invalid parameter key: %s" % e, "WAR")
         self._set_params()
 
     def _set_params(self):