Index: trunk/src/org/openstreetmap/josm/gui/download/OSMDownloadSource.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/download/OSMDownloadSource.java	(revision 19255)
+++ trunk/src/org/openstreetmap/josm/gui/download/OSMDownloadSource.java	(revision 19258)
@@ -197,4 +197,6 @@
         private final JPanel downloadSourcesPanel;
 
+        private boolean inRestore = false;
+
         private final ChangeListener checkboxChangeListener;
 
@@ -256,11 +258,14 @@
         @Override
         public void rememberSettings() {
-            DOWNLOAD_SOURCES.forEach(type -> type.getBooleanProperty().put(type.getCheckBox().isSelected()));
+            if (!inRestore)
+                DOWNLOAD_SOURCES.forEach(type -> type.getBooleanProperty().put(type.getCheckBox().isSelected()));
         }
 
         @Override
         public void restoreSettings() {
+            inRestore = true;
             updateSources();
             DOWNLOAD_SOURCES.forEach(type -> type.getCheckBox().setSelected(type.isEnabled()));
+            inRestore = false;
         }