diff --git a/conf/.env b/conf/.env
index edc1b98..c3e1c0f 100644
--- a/conf/.env
+++ b/conf/.env
@@ -2,4 +2,7 @@
 # If you set this setting, the user will not be able to select
 # the server and have to use synapse-admin with this server.
 
-REACT_APP_SERVER=https://__SYNAPSE_DOMAIN__
\ No newline at end of file
+REACT_APP_SERVER=https://__SYNAPSE_DOMAIN__
+
+#Define the port to avoid collisions on port 3000
+PORT=9090