diff --git a/defaults/main.yml b/defaults/main.yml
index 5695f05..6a34953 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -10,7 +10,7 @@ cat_postgres_password: "{{ vault_cat_postgres_password }}"
 
 cat_git_destination: "/home/{{ cat_user }}/cat_src"
 
-port: 3000
+cat_app_port: 3000
 
 authorize-uri: "https://adams.ugent.be/oauth/oauth2/authorize/"
 access-token-uri: "https://adams.ugent.be/oauth/oauth2/token/"
diff --git a/tasks/main.yml b/tasks/main.yml
index 3bccea6..ddc1713 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -20,7 +20,7 @@
     name: "{{ packages }}"
   vars:
       packages:
-        - psycopg2
+        - python-psycopg2
         - postgres-9.6
 
 - name: Create database
diff --git a/templates/start.sh b/templates/start.sh
index 72298d6..2c6d189 100644
--- a/templates/start.sh
+++ b/templates/start.sh
@@ -3,7 +3,7 @@
 # Run the java jar
 
 DATABASE_URL="postgresql://localhost:5432/{{ cat_postgres_db }}?user={{ cat_postgres_user }}&password={{ cat_postgres_password }}"
-PORT="{{ port }}"
+PORT="{{ cat_app_port }}"
 AUTHORIZE-URI="{{ authorize_uri }}"
 ACCESS-TOKEN-URI="{{ access-token-uri }}"
 OAUTH-CONSUMER-KEY="{{ OAUTH-CONSUMER-KEY }}"