diff --git a/src/exchangedb/exchangedb_denomkeys.c b/src/exchangedb/exchangedb_denomkeys.c
index 58d9519c6..0edf811dc 100644
--- a/src/exchangedb/exchangedb_denomkeys.c
+++ b/src/exchangedb/exchangedb_denomkeys.c
@@ -207,9 +207,10 @@ TALER_EXCHANGEDB_denomination_key_write (const char *filename,
   if (NULL == (fh = GNUNET_DISK_file_open
                       (filename,
                       GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE
-                      | GNUNET_DISK_OPEN_TRUNCATE,
-                      GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE
-                      | GNUNET_DISK_OPEN_FAILIFEXISTS)))
+                      | GNUNET_DISK_OPEN_TRUNCATE
+                      | GNUNET_DISK_OPEN_FAILIFEXISTS,
+                      GNUNET_DISK_PERM_USER_READ
+                      | GNUNET_DISK_PERM_USER_WRITE)))
     goto cleanup;
   wsize = sizeof (struct TALER_EXCHANGEDB_DenominationKeyInformationP);
   if (GNUNET_SYSERR == (wrote = GNUNET_DISK_file_write (fh,