diff --git a/src/optionstr.c b/src/optionstr.c
index f60957e..ce57cb4 100644
--- a/src/optionstr.c
+++ b/src/optionstr.c
@@ -1864,7 +1864,7 @@
     }
 # ifdef FEAT_SODIUM
     if (crypt_method_is_sodium(crypt_get_method_nr(curbuf)))
-       crypt_sodium_lock_key(args->os_newval.string);
+	crypt_sodium_lock_key(args->os_newval.string);
 # endif
 
     return NULL;