Index: /trunk/src/org/openstreetmap/josm/gui/preferences/imagery/ImageryPreference.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/preferences/imagery/ImageryPreference.java	(revision 7287)
+++ /trunk/src/org/openstreetmap/josm/gui/preferences/imagery/ImageryPreference.java	(revision 7288)
@@ -276,4 +276,5 @@
                 }
             };
+            activeTable.putClientProperty("terminateEditOnFocusLost", true);
 
             defaultModel = new ImageryDefaultLayerTableModel();