diff --git a/Code/Mantid/Framework/PythonInterface/plugins/algorithms/WorkflowAlgorithms/ElasticWindowMultiple.py b/Code/Mantid/Framework/PythonInterface/plugins/algorithms/WorkflowAlgorithms/ElasticWindowMultiple.py
index 8fa1db02690e..8d7f755eb75f 100644
--- a/Code/Mantid/Framework/PythonInterface/plugins/algorithms/WorkflowAlgorithms/ElasticWindowMultiple.py
+++ b/Code/Mantid/Framework/PythonInterface/plugins/algorithms/WorkflowAlgorithms/ElasticWindowMultiple.py
@@ -35,7 +35,6 @@ class ElasticWindowMultiple(DataProcessorAlgorithm):
     _range_2_start = None
     _range_2_end = None
     _mtd_plot = None
-    _sample_log_value = ''
 
     def category(self):
         return 'Workflow\\Inelastic;PythonAlgorithms;Inelastic'
@@ -58,8 +57,9 @@ def PyInit(self):
         self.declareProperty(name='SampleEnvironmentLogName', defaultValue='sample',
                              doc='Name of the sample environment log entry')
 
-        sampEnvLogVal_type = ['last value', 'average']
-        self.declareProperty('SampleEnvironmentLogValue', 'last value', StringListValidator(sampEnvLogVal_type),
+        sampEnvLogVal_type = ['last_value', 'average']
+        self.declareProperty('SampleEnvironmentLogValue', 'last_value',
+                             StringListValidator(sampEnvLogVal_type),
                              doc='Value selection of the sample environment log entry')
 
         self.declareProperty(WorkspaceProperty('OutputInQ', '', Direction.Output),
@@ -324,8 +324,9 @@ def _get_temperature(self, ws_name):
         if self._sample_log_name in run:
             # Look for temperature in logs in workspace
             tmp = run[self._sample_log_name].value
-            value_action = {'last value': lambda x: x[len(x)-1],
-                            'average': lambda x: x.mean()}
+            value_action = {'last_value': lambda x: x[len(x)-1],
+                            'average': lambda x: x.mean()
+                            }
             temp = value_action[self._sample_log_value](tmp)
             logger.debug('Temperature %d K found for run: %s' % (temp, run_name))
             return temp
diff --git a/Code/Mantid/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/Indirect/Elwin.ui b/Code/Mantid/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/Indirect/Elwin.ui
index 6cae8fdba688..af30980cac5e 100644
--- a/Code/Mantid/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/Indirect/Elwin.ui
+++ b/Code/Mantid/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/Indirect/Elwin.ui
@@ -125,7 +125,7 @@
       <widget class="QComboBox" name="leLogValue">
        <item>
         <property name="text">
-         <string>last value</string>
+         <string>last_value</string>
         </property>
        </item>
        <item>
diff --git a/Code/Mantid/instrument/IRIS_Parameters.xml b/Code/Mantid/instrument/IRIS_Parameters.xml
index 9c0ba3b1958a..05d8cf2f1440 100644
--- a/Code/Mantid/instrument/IRIS_Parameters.xml
+++ b/Code/Mantid/instrument/IRIS_Parameters.xml
@@ -81,6 +81,9 @@
 <parameter name="Workflow.SE-log" type="string">
     <value val="sample" />
 </parameter>
+<parameter name="Workflow.SE-log-value" type="string">
+    <value val="last_value" />
+</parameter>
 <parameter name="Workflow.beam-width" type="string">
     <value val="2.1" />
 </parameter>
diff --git a/Code/Mantid/instrument/OSIRIS_Parameters.xml b/Code/Mantid/instrument/OSIRIS_Parameters.xml
index e74511bb3df6..68246e3e76b1 100644
--- a/Code/Mantid/instrument/OSIRIS_Parameters.xml
+++ b/Code/Mantid/instrument/OSIRIS_Parameters.xml
@@ -73,6 +73,9 @@
 <parameter name="Workflow.SE-log" type="string">
     <value val="sample" />
 </parameter>
+<parameter name="Workflow.SE-log-value" type="string">
+    <value val="last_value" />
+</parameter>
 <parameter name="Workflow.beam-width" type="string">
     <value val="2.2" />
 </parameter>