diff --git a/postgresql/Dockerfile b/postgresql/Dockerfile
index 121a711..f69e0da 100755
--- a/postgresql/Dockerfile
+++ b/postgresql/Dockerfile
@@ -1,4 +1,4 @@
 FROM postgres:12-alpine
 
 # Include extra setup scripts (eg datastore)
-ADD docker-entrypoint-initdb.d /docker-entrypoint-initdb.d
\ No newline at end of file
+COPY docker-entrypoint-initdb.d /docker-entrypoint-initdb.d
\ No newline at end of file