diff --git a/src/sas/qtgui/Calculators/SldPanel.py b/src/sas/qtgui/Calculators/SldPanel.py
index 07da932c82..5ddf6ad931 100644
--- a/src/sas/qtgui/Calculators/SldPanel.py
+++ b/src/sas/qtgui/Calculators/SldPanel.py
@@ -127,7 +127,7 @@ def setupUi(self):
         # signals
         self.ui.helpButton.clicked.connect(self.displayHelp)
         self.ui.closeButton.clicked.connect(self.closePanel)
-        self.ui.recalculateButton.clicked.connect(self.calculateSLD)
+        self.ui.calculateButton.clicked.connect(self.calculateSLD)
 
     def calculateSLD(self):
         self.recalculateSLD()
diff --git a/src/sas/qtgui/Calculators/UI/SldPanel.ui b/src/sas/qtgui/Calculators/UI/SldPanel.ui
index 23d0380348..df0197accc 100644
--- a/src/sas/qtgui/Calculators/UI/SldPanel.ui
+++ b/src/sas/qtgui/Calculators/UI/SldPanel.ui
@@ -322,7 +322,7 @@
      </property>
      <layout class="QGridLayout" name="gridLayout">
       <item row="0" column="0">
-       <widget class="QPushButton" name="recalculateButton">
+       <widget class="QPushButton" name="calculateButton">
         <property name="enabled">
          <bool>true</bool>
         </property>
@@ -336,10 +336,10 @@
          <enum>Qt::NoFocus</enum>
         </property>
         <property name="text">
-         <string>Recalculate</string>
+         <string>Calculate</string>
         </property>
         <property name="autoDefault">
-         <bool>false</bool>
+         <bool>true</bool>
         </property>
        </widget>
       </item>
@@ -407,7 +407,7 @@
   <tabstop>editNeutronLength</tabstop>
   <tabstop>closeButton</tabstop>
   <tabstop>helpButton</tabstop>
-  <tabstop>recalculateButton</tabstop>
+  <tabstop>calculateButton</tabstop>
  </tabstops>
  <resources/>
  <connections/>