diff --git a/.env b/.env
index 98b6bc4..fdbe18f 100644
--- a/.env
+++ b/.env
@@ -1,5 +1,5 @@
 EOS_VERSION=latest
-EOS_PORT=3000
+EOS_PORT=8503
 
 MARIADB_VERSION=11.1.6
 PYTHON_VERSION=3.12.6
diff --git a/flask_server.py b/flask_server.py
index 1224d4f..d7f81aa 100755
--- a/flask_server.py
+++ b/flask_server.py
@@ -350,7 +350,7 @@ def root():
 if __name__ == '__main__':
     try:
         host= os.getenv("FLASK_RUN_HOST", "0.0.0.0")
-        port = os.getenv("FLASK_RUN_PORT", 3000)
+        port = os.getenv("FLASK_RUN_PORT", 8503)
         app.run(debug=True, host=host, port=port)
     except:
         print(f"Coud not bind to host {host}:{port}, set FLASK_RUN_HOST and/or FLASK_RUN_PORT.")