diff --git a/config/docker.yml.erb.example b/config/docker.yml.erb.example
index eb1af61e..5d9f42de 100644
--- a/config/docker.yml.erb.example
+++ b/config/docker.yml.erb.example
@@ -9,7 +9,7 @@ development:
   <<: *default
   host: tcp://127.0.0.1:2376
   ws_host: ws://127.0.0.1:2376 #url to connect rails server to docker host
-  ws_client_protocol: ws:// #set the websocket protocol to be used by the client to connect to the rails server (ws on development, wss on production)
+  ws_client_protocol: 'ws:' #set the websocket protocol to be used by the client to connect to the rails server (ws on development, wss on production)
   workspace_root: <%= Rails.root.join('tmp', 'files', Rails.env) %>
   pool:
     active: true
@@ -32,7 +32,7 @@ production:
       timeout: 60
   workspace_root: <%= Rails.root.join('tmp', 'files', Rails.env) %>
   ws_host: ws://localhost:4243 #url to connect rails server to docker host
-  ws_client_protocol: wss:// #set the websocket protocol to be used by the client to connect to the rails server (ws on development, wss on production)
+  ws_client_protocol: 'wss:' #set the websocket protocol to be used by the client to connect to the rails server (ws on development, wss on production)
 
 staging:
   <<: *default
diff --git a/config/docker.yml.erb.travis b/config/docker.yml.erb.travis
index eb1af61e..5d9f42de 100644
--- a/config/docker.yml.erb.travis
+++ b/config/docker.yml.erb.travis
@@ -9,7 +9,7 @@ development:
   <<: *default
   host: tcp://127.0.0.1:2376
   ws_host: ws://127.0.0.1:2376 #url to connect rails server to docker host
-  ws_client_protocol: ws:// #set the websocket protocol to be used by the client to connect to the rails server (ws on development, wss on production)
+  ws_client_protocol: 'ws:' #set the websocket protocol to be used by the client to connect to the rails server (ws on development, wss on production)
   workspace_root: <%= Rails.root.join('tmp', 'files', Rails.env) %>
   pool:
     active: true
@@ -32,7 +32,7 @@ production:
       timeout: 60
   workspace_root: <%= Rails.root.join('tmp', 'files', Rails.env) %>
   ws_host: ws://localhost:4243 #url to connect rails server to docker host
-  ws_client_protocol: wss:// #set the websocket protocol to be used by the client to connect to the rails server (ws on development, wss on production)
+  ws_client_protocol: 'wss:' #set the websocket protocol to be used by the client to connect to the rails server (ws on development, wss on production)
 
 staging:
   <<: *default