diff --git a/src/lib-sieve/sieve-storage-settings.c b/src/lib-sieve/sieve-storage-settings.c
index 36463963e8a453f5e5d61a119e81612117be2f79..3c20318d7bc9ff5593a3afbd68fd083cd347e6db 100644
--- a/src/lib-sieve/sieve-storage-settings.c
+++ b/src/lib-sieve/sieve-storage-settings.c
@@ -53,7 +53,7 @@ static const struct sieve_storage_settings sieve_storage_default_settings = {
 	.script_type = SIEVE_STORAGE_TYPE_PERSONAL,
 	.script_cause = ARRAY_INIT,
 
-	.script_driver = "",
+	.script_driver = "file",
 	.script_name = "",
 	.script_bin_path = "",