diff --git a/homelab-services/postgresql-db/flake.nix b/homelab-services/postgresql-db/flake.nix
index fc0fbc4..5b104f5 100644
--- a/homelab-services/postgresql-db/flake.nix
+++ b/homelab-services/postgresql-db/flake.nix
@@ -116,16 +116,16 @@
                 echo $dev_pass_val
 
                 # Create databases
-                $psql_bin -c 'CREATE DATABASE ${db};'
-                $psql_bin -c 'CREATE DATABASE ${db}_dev;'
+                $psql_bin -c 'CREATE DATABASE \''${db};'
+                $psql_bin -c 'CREATE DATABASE \''${db}_dev;'
 
                 # Create users if not exists
-                $psql-bin -c 'CREATE ROLE ${user_val} LOGIN PASSWORD "${pass_val}";'
-                $psql-bin -c 'CREATE ROLE ${dev_user_val} LOGIN PASSWORD "${dev_pass_val}";'
+                $psql-bin -c 'CREATE ROLE \''${user_val} LOGIN PASSWORD "\''${pass_val}";'
+                $psql-bin -c 'CREATE ROLE \''${dev_user_val} LOGIN PASSWORD "\''${dev_pass_val}";'
 
                 # Give users privileges on databases
-                $psql-bin -c 'GRANT ALL PRIVELEGES ON DATABASE ${db} TO ${user_val};'
-                $psql-bin -c 'GRANT ALL PRIVELEGES ON DATABASE ${db_dev} TO ${dev_user_val};'
+                $psql-bin -c 'GRANT ALL PRIVELEGES ON DATABASE \''${db} TO \''${user_val};'
+                $psql-bin -c 'GRANT ALL PRIVELEGES ON DATABASE \''${db_dev} TO \''${dev_user_val};'
 
               done
             '';