Index: applications/editors/josm/plugins/CommandLine/src/CommandLine/CommandLine.java
===================================================================
--- applications/editors/josm/plugins/CommandLine/src/CommandLine/CommandLine.java	(revision 29505)
+++ applications/editors/josm/plugins/CommandLine/src/CommandLine/CommandLine.java	(revision 29566)
@@ -584,5 +584,5 @@
         synchronized (syncObj) {
             try {
-                syncObj.wait(10000);
+                syncObj.wait(Main.pref.getInteger("commandline.timeout", 20000));
             } catch (InterruptedException e) {
             }