diff --git a/src/resources/ui/ag-window.ui b/src/resources/ui/ag-window.ui
index 418743e..9fccf80 100644
--- a/src/resources/ui/ag-window.ui
+++ b/src/resources/ui/ag-window.ui
@@ -68,7 +68,6 @@
     <property name="page_increment">5</property>
   </object>
   <object class="GtkAdjustment" id="year_adjust">
-    <property name="upper">100</property>
     <property name="step_increment">1</property>
     <property name="page_increment">10</property>
   </object>