diff --git a/headers/private/servers/app/ServerConfig.h b/headers/private/servers/app/ServerConfig.h
index d5a1b6bcf8..7b92e4acc9 100644
--- a/headers/private/servers/app/ServerConfig.h
+++ b/headers/private/servers/app/ServerConfig.h
@@ -41,7 +41,7 @@
 
 // This is the application signature of our app_server when running as a
 // regular application. When running as the app_server, this is not used.
-#define SERVER_SIGNATURE "application/x-vnd.obe-OBAppServer"
+#define SERVER_SIGNATURE "application/x-vnd.OpenBeOS-app-server"
 
 // Directory for all app_server-related settings. Must include ending slash.
 #define SERVER_SETTINGS_DIR "/boot/home/config/settings/app_server/"