diff --git a/cmvr-es/config_server/config_server_main.cpp b/cmvr-es/config_server/config_server_main.cpp
index 0027efad..6756ea1c 100644
--- a/cmvr-es/config_server/config_server_main.cpp
+++ b/cmvr-es/config_server/config_server_main.cpp
@@ -28,7 +28,7 @@ void printUsage(const char* program)
 
 int main(int argc, char** argv)
 {
-    std::string listen_address = "0.0.0.0:50052";
+    std::string listen_address = "0.0.0.0:50053";
     std::filesystem::path config_root = executableDirectory() / "config";
     for (int index = 1; index < argc; ++index) {
         const std::string argument = argv[index];