diff --git a/client/project.cpp b/client/project.cpp
index 0dd770fbdd..e48d33411d 100644
--- a/client/project.cpp
+++ b/client/project.cpp
@@ -574,6 +574,7 @@ int PROJECT::write_state(MIOFILE& out, bool gui_rpc) {
 //
 void PROJECT::copy_state_fields(PROJECT& p) {
     scheduler_urls = p.scheduler_urls;
+    safe_strcpy(master_url, p.master_url);      // client_state.xml is authoritative
     safe_strcpy(project_name, p.project_name);
     safe_strcpy(user_name, p.user_name);
     safe_strcpy(team_name, p.team_name);