diff --git a/lib.nix b/lib.nix
index 6bb6cd6..167445e 100644
--- a/lib.nix
+++ b/lib.nix
@@ -107,9 +107,9 @@ in
         text = ''
                   if [ ! -d "${data_dir}" ]; then
                     echo "Database directory does not exist. Initializing"
-                    ${package}/bin/initdb -D ${data_dir}
+                    ${package}/bin/initdb -D ${data_dir} --no-instructions
                   fi
-          ${package}/bin/postgres -D=${data_dir} --config-file=${configFile}
+          ${package}/bin/postgres -D${data_dir} --config-file=${configFile}
 
         '';
       };