diff --git a/postgresql/migratedb.d/17.sql b/postgresql/migratedb.d/17.sql
new file mode 100644
index 000000000..23c15e27e
--- /dev/null
+++ b/postgresql/migratedb.d/17.sql
@@ -0,0 +1,20 @@
+
+DO
+$$
+DECLARE
+-- The version we know how to do migration from, at the end of a successful migration
+-- we will no longer be at this version.
+  sourcever INTEGER := 16;
+  changes VARCHAR := 'Remove user ids from filepaths';
+BEGIN
+  IF (select max(version) from sda.dbschema_version) = sourcever then
+    RAISE NOTICE 'Changes: %', changes;
+
+    UPDATE sda.files
+    SET submission_file_path = regexp_replace(submission_file_path, '^[^/]*/', '');    
+
+  ELSE
+    RAISE NOTICE 'Schema migration from % to % does not apply now, skipping', sourcever, sourcever+1;
+  END IF;
+END
+$$
\ No newline at end of file