diff --git a/src/blackgui/components/mappingcomponent.ui b/src/blackgui/components/mappingcomponent.ui
index f9d872df9..89243c7af 100644
--- a/src/blackgui/components/mappingcomponent.ui
+++ b/src/blackgui/components/mappingcomponent.ui
@@ -269,8 +269,14 @@
          </property>
         </widget>
        </item>
-       <item row="0" column="2" colspan="3">
+       <item row="0" column="2" colspan="3" alignment="Qt::AlignLeft">
         <widget class="BlackGui::Components::CSimulatorSelector" name="comp_SimulatorSelector">
+         <property name="minimumSize">
+          <size>
+           <width>150</width>
+           <height>0</height>
+          </size>
+         </property>
          <property name="frameShape">
           <enum>QFrame::StyledPanel</enum>
          </property>