diff --git a/src/blackgui/components/interpolationlogdisplaydialog.ui b/src/blackgui/components/interpolationlogdisplaydialog.ui
index a1b42ab68..0b98b2206 100644
--- a/src/blackgui/components/interpolationlogdisplaydialog.ui
+++ b/src/blackgui/components/interpolationlogdisplaydialog.ui
@@ -6,10 +6,16 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>640</width>
-    <height>480</height>
+    <width>700</width>
+    <height>500</height>
    </rect>
   </property>
+  <property name="minimumSize">
+   <size>
+    <width>700</width>
+    <height>500</height>
+   </size>
+  </property>
   <property name="windowTitle">
    <string>Interpolation log. display</string>
   </property>