diff --git a/src/set.h b/src/set.h
index 415323a..636d3d0 100644
--- a/src/set.h
+++ b/src/set.h
@@ -46,6 +46,7 @@
 struct ly_set {
     uint32_t size;                    /**< allocated size of the set array */
     uint32_t count;                   /**< number of elements in (used size of) the set array */
+
     union {
         struct lyd_node **dnodes;     /**< set array of data nodes */
         struct lysc_node **snodes;    /**< set array of schema nodes */