diff --git a/gramps/plugins/tool/relcalc.glade b/gramps/plugins/tool/relcalc.glade
index 11938cc4d..e954187c7 100644
--- a/gramps/plugins/tool/relcalc.glade
+++ b/gramps/plugins/tool/relcalc.glade
@@ -3,7 +3,7 @@
 <interface>
   <requires lib="gtk+" version="3.10"/>
   <object class="GtkDialog" id="relcalc">
-    <property name="visible">True</property>
+    <property name="visible">False</property>
     <property name="can_focus">False</property>
     <property name="default_width">600</property>
     <property name="default_height">400</property>