diff --git a/deluge/ui/gtkui/glade/preferences_dialog.glade b/deluge/ui/gtkui/glade/preferences_dialog.glade
index 16bab196a..5c53ad4be 100644
--- a/deluge/ui/gtkui/glade/preferences_dialog.glade
+++ b/deluge/ui/gtkui/glade/preferences_dialog.glade
@@ -4135,7 +4135,7 @@ HTTP W/ Auth</property>
                                                     <property name="can_focus">True</property>
                                                     <property name="invisible_char">&#x25CF;</property>
                                                     <property name="xalign">1</property>
-                                                    <property name="adjustment">512 0 99999 1 10 0</property>
+                                                    <property name="adjustment">512 0 999999 1 10 0</property>
                                                     <property name="numeric">True</property>
                                                     <property name="update_policy">if-valid</property>
                                                   </widget>
diff --git a/deluge/ui/web/js/deluge-all/preferences/CachePage.js b/deluge/ui/web/js/deluge-all/preferences/CachePage.js
index c673ed7ff..bcb1bd430 100644
--- a/deluge/ui/web/js/deluge-all/preferences/CachePage.js
+++ b/deluge/ui/web/js/deluge-all/preferences/CachePage.js
@@ -56,7 +56,7 @@ Deluge.preferences.Cache = Ext.extend(Ext.form.FormPanel, {
 			defaults: {
 				decimalPrecision: 0,
 				minValue: -1,
-				maxValue: 99999
+				maxValue: 999999
 			}
 		});
 		om.bind('cache_size', fieldset.add({