diff --git a/OSBindings/Qt/mainwindow.ui b/OSBindings/Qt/mainwindow.ui
index c7d3f955c..533d7f4c4 100644
--- a/OSBindings/Qt/mainwindow.ui
+++ b/OSBindings/Qt/mainwindow.ui
@@ -172,7 +172,7 @@
          </widget>
         </item>
         <item>
-         <spacer name="verticalSpacer">
+         <spacer>
           <property name="orientation">
            <enum>Qt::Orientation::Vertical</enum>
           </property>
@@ -383,7 +383,7 @@
          </layout>
         </item>
         <item>
-         <spacer name="verticalSpacer">
+         <spacer>
           <property name="orientation">
            <enum>Qt::Orientation::Vertical</enum>
           </property>