diff --git a/src/campaign_server/campaign_server.cpp b/src/campaign_server/campaign_server.cpp
index 26ceb6ffa7d1..78f13b74a163 100644
--- a/src/campaign_server/campaign_server.cpp
+++ b/src/campaign_server/campaign_server.cpp
@@ -196,8 +196,7 @@ server::server(const std::string& cfg_file, size_t min_threads, size_t max_threa
 server::~server()
 {
 	delete input_;
-	scoped_ostream out = ostream_file(cfg_file_);
-	write(*out, cfg_);
+	write_config();
 }
 
 int server::load_config()
@@ -263,6 +262,12 @@ void server::load_blacklist()
 	}
 }
 
+void server::write_config()
+{
+	scoped_ostream out = ostream_file(cfg_file_);
+	write(*out, cfg_);
+}
+
 void server::fire(const std::string& hook, const std::string& addon)
 {
 	const std::map<std::string, std::string>::const_iterator itor = hooks_.find(hook);
@@ -371,8 +376,7 @@ void server::run()
 			}
 			//write config to disk every ten minutes
 			if((increment%(60*10*50)) == 0) {
-				scoped_ostream out = ostream_file(cfg_file_);
-				write(*out, cfg_);
+				write_config();
 			}
 
 			network::process_send_queue();
@@ -630,8 +634,9 @@ void server::run()
 
 						(*campaign)["size"] = lexical_cast<std::string>(
 								file_size(filename));
-						scoped_ostream out = ostream_file(cfg_file_);
-						write(*out, cfg_);
+
+						write_config();
+
 						network::send_data(construct_message(message), sock);
 
 						fire("hook_post_upload", upload["name"]);
@@ -673,8 +678,9 @@ void server::run()
 							break;
 						}
 					}
-					scoped_ostream out = ostream_file(cfg_file_);
-					write(*out, cfg_);
+
+					write_config();
+
 					network::send_data(construct_message("Add-on deleted."), sock);
 
 					fire("hook_post_erase", erase["name"]);
@@ -696,8 +702,9 @@ void server::run()
 						network::send_data(construct_error("No new passphrase was supplied."), sock);
 					} else {
 						campaign["passphrase"] = cpass["new_passphrase"];
-						scoped_ostream out = ostream_file(cfg_file_);
-						write(*out, cfg_);
+
+						write_config();
+
 						network::send_data(construct_message("Passphrase changed."), sock);
 					}
 				}
diff --git a/src/campaign_server/campaign_server.hpp b/src/campaign_server/campaign_server.hpp
index 5b63ea7dfe9a..6100596dbe37 100644
--- a/src/campaign_server/campaign_server.hpp
+++ b/src/campaign_server/campaign_server.hpp
@@ -63,6 +63,11 @@ class server : private boost::noncopyable
 	 */
 	int load_config();
 
+	/**
+	 * Writes the server configuration WML back to disk.
+	 */
+	void write_config();
+
 	/**
 	 * Reads the add-ons upload blacklist from WML.
 	 */