diff --git a/nix/modules/fieldpoc.nix b/nix/modules/fieldpoc.nix
index b4376db..d834087 100644
--- a/nix/modules/fieldpoc.nix
+++ b/nix/modules/fieldpoc.nix
@@ -31,7 +31,7 @@ in {
     systemd.services.fieldpoc = {
       description = "Fieldpoc daemon";
       wantedBy = [ "multi-user.target" ];
-      requires = [ "network-online.target" "yate.service" ];
+      requires = [ "network-online.target" "yate.service" "postgresql.service" ];
       after = [ "network-online.target" "yate.service" ];
 
       serviceConfig = {
@@ -78,6 +78,10 @@ in {
         if [ ! -f "/var/lib/fieldpoc/extensions.json" ]; then
           echo '{"extensions": {}}' > /var/lib/fieldpoc/extensions.json
         fi
+
+        if [ $(${config.services.postgresql.finalPackage}/bin/psql -q -t -A -c "select count(*) from information_schema.tables where table_schema='fieldpoc';") -eq 0 ]; then
+          ${pkgs.fieldpoc}/bin/fieldpoc -c /run/fieldpoc/config.json --debug --init
+        fi
       '';
     };
 
@@ -94,6 +98,7 @@ in {
         CREATE ROLE fieldpoc WITH LOGIN PASSWORD 'fieldpoc' CREATEDB;
         CREATE DATABASE fieldpoc;
         GRANT ALL PRIVILEGES ON DATABASE fieldpoc TO fieldpoc;
+        GRANT USAGE, CREATE ON SCHEMA public TO fieldpoc;
       '';
     };