Index: trunk/src/org/openstreetmap/josm/actions/OverpassDownloadAction.java
===================================================================
--- trunk/src/org/openstreetmap/josm/actions/OverpassDownloadAction.java	(revision 10627)
+++ trunk/src/org/openstreetmap/josm/actions/OverpassDownloadAction.java	(revision 10629)
@@ -221,4 +221,8 @@
         }
 
+        @Override
+        protected void updateSizeCheck() {
+            displaySizeCheckResult(false);
+        }
     }
 
Index: trunk/src/org/openstreetmap/josm/gui/download/DownloadDialog.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/download/DownloadDialog.java	(revision 10627)
+++ trunk/src/org/openstreetmap/josm/gui/download/DownloadDialog.java	(revision 10629)
@@ -246,5 +246,5 @@
     }
 
-    private void updateSizeCheck() {
+    protected void updateSizeCheck() {
         boolean isAreaTooLarge = false;
         if (currentBounds == null) {
@@ -258,4 +258,8 @@
             isAreaTooLarge = currentBounds.getArea() > Main.pref.getDouble("osm-server.max-request-area", 0.25);
         }
+        displaySizeCheckResult(isAreaTooLarge);
+    }
+
+    protected void displaySizeCheckResult(boolean isAreaTooLarge) {
         if (isAreaTooLarge) {
             sizeCheck.setText(tr("Download area too large; will probably be rejected by server"));