diff -Nurpd a/scribus/ui/prefs_colormanagementbase.ui b/scribus/ui/prefs_colormanagementbase.ui
--- a/scribus/ui/prefs_colormanagementbase.ui	2023-11-25 15:06:58.000000000 +0100
+++ b/scribus/ui/prefs_colormanagementbase.ui	2023-11-25 18:15:02.886767705 +0100
@@ -174,7 +174,7 @@
        <item>
         <layout class="QFormLayout" name="formLayout">
          <property name="fieldGrowthPolicy">
-          <enum>QFormLayout::FieldsStayAtSizeHint</enum>
+          <enum>QFormLayout::AllNonFixedFieldsGrow</enum>
          </property>
          <property name="formAlignment">
           <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
