Index: trunk/src/org/openstreetmap/josm/gui/preferences/plugin/PluginUpdatePolicyPanel.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/preferences/plugin/PluginUpdatePolicyPanel.java	(revision 5144)
+++ trunk/src/org/openstreetmap/josm/gui/preferences/plugin/PluginUpdatePolicyPanel.java	(revision 5145)
@@ -22,4 +22,5 @@
 import org.openstreetmap.josm.gui.JMultilineLabel;
 import org.openstreetmap.josm.gui.widgets.SelectAllOnFocusGainedDecorator;
+import org.openstreetmap.josm.plugins.PluginHandler;
 
 /**
@@ -192,9 +193,9 @@
             }
             if (days <= 0) {
-                days = 60;
+                days = PluginHandler.DEFAULT_TIME_BASED_UPDATE_INTERVAL;
             }
         }
         if (days == 0) {
-            days =Main.pref.getInteger("pluginmanager.time-based-update.interval", 60);
+            days = Main.pref.getInteger("pluginmanager.time-based-update.interval", PluginHandler.DEFAULT_TIME_BASED_UPDATE_INTERVAL);
         }
         tfUpdateInterval.setText(Integer.toString(days));
@@ -230,8 +231,8 @@
             days = Integer.parseInt(tfUpdateInterval.getText().trim());
             if (days <= 0) {
-                days = 60;
+                days = PluginHandler.DEFAULT_TIME_BASED_UPDATE_INTERVAL;
             }
         } catch(NumberFormatException e) {
-            days = 60;
+            days = PluginHandler.DEFAULT_TIME_BASED_UPDATE_INTERVAL;
         }
         Main.pref.putInteger("pluginmanager.time-based-update.interval", days);
Index: trunk/src/org/openstreetmap/josm/plugins/PluginHandler.java
===================================================================
--- trunk/src/org/openstreetmap/josm/plugins/PluginHandler.java	(revision 5144)
+++ trunk/src/org/openstreetmap/josm/plugins/PluginHandler.java	(revision 5145)
@@ -145,4 +145,9 @@
 
     final public static String [] UNMAINTAINED_PLUGINS = new String[] {"gpsbabelgui", "Intersect_way"};
+    
+    /**
+     * Default time-based update interval, in days (pluginmanager.time-based-update.interval)
+     */
+    public static final int DEFAULT_TIME_BASED_UPDATE_INTERVAL = 30;
 
     /**
@@ -268,5 +273,5 @@
             long tim = System.currentTimeMillis();
             long last = Main.pref.getLong("pluginmanager.lastupdate", 0);
-            Integer maxTime = Main.pref.getInteger("pluginmanager.time-based-update.interval", 60);
+            Integer maxTime = Main.pref.getInteger("pluginmanager.time-based-update.interval", DEFAULT_TIME_BASED_UPDATE_INTERVAL);
             long d = (tim - last) / (24 * 60 * 60 * 1000l);
             if ((last <= 0) || (maxTime <= 0)) {