set UPDATE ordered index remove
diff --git a/src/set.c b/src/set.c
index 1b8bfa5..c7fedf8 100644
--- a/src/set.c
+++ b/src/set.c
@@ -227,7 +227,7 @@
     return ly_set_rm_index(set, i, destructor);
 }
 
-LY_ERR
+LIBYANG_API_DEF LY_ERR
 ly_set_rm_index_ordered(struct ly_set *set, uint32_t index, void (*destructor)(void *obj))
 {
     if (destructor) {