diff --git a/backend/lexmark.c b/backend/lexmark.c
index 9a35632ec..3c171c779 100644
--- a/backend/lexmark.c
+++ b/backend/lexmark.c
@@ -829,7 +829,7 @@ sane_control_option (SANE_Handle handle, SANE_Int option, SANE_Action action,
     case SANE_ACTION_SET_VALUE:
 
       if (!SANE_OPTION_IS_SETTABLE (lexmark_device->opt[option].cap))
-          return SANE_STATUS_INVAL;
+        return SANE_STATUS_INVAL;
 
       /* Make sure boolean values are only TRUE or FALSE */
       if (lexmark_device->opt[option].type == SANE_TYPE_BOOL)