diff --git a/.env.ci b/.env.ci
index d96e21a..00bfa4a 100644
--- a/.env.ci
+++ b/.env.ci
@@ -5,4 +5,5 @@ DB_PORT=unused
 DB_USER=unused
 DB_PASSWORD=bla
 DB_NAME=./test.sqlite
-NODE_ENV=dev
\ No newline at end of file
+NODE_ENV=dev
+POSTALCODE_COUNTRYCODE=null
\ No newline at end of file
diff --git a/.env.example b/.env.example
index 6c41318..5595533 100644
--- a/.env.example
+++ b/.env.example
@@ -5,4 +5,5 @@ DB_PORT=bla
 DB_USER=bla
 DB_PASSWORD=bla
 DB_NAME=bla
-NODE_ENV=production
\ No newline at end of file
+NODE_ENV=production
+POSTALCODE_COUNTRYCODE=null
\ No newline at end of file