diff --git a/src/set.c b/src/set.c
index ecf3dae..d4836b8 100644
--- a/src/set.c
+++ b/src/set.c
@@ -21,7 +21,7 @@
 #include "log.h"
 #include "set.h"
 
-API LY_ERR
+LIBYANG_API_DEF LY_ERR
 ly_set_new(struct ly_set **set_p)
 {
     LY_CHECK_ARG_RET(NULL, set_p, LY_EINVAL);
@@ -32,7 +32,7 @@
     return LY_SUCCESS;
 }
 
-API void
+LIBYANG_API_DEF void
 ly_set_clean(struct ly_set *set, void (*destructor)(void *obj))
 {
     uint32_t u;
@@ -49,7 +49,7 @@
     set->count = 0;
 }
 
-API void
+LIBYANG_API_DEF void
 ly_set_erase(struct ly_set *set, void (*destructor)(void *obj))
 {
     if (!set) {
@@ -63,7 +63,7 @@
     set->objs = NULL;
 }
 
-API void
+LIBYANG_API_DEF void
 ly_set_free(struct ly_set *set, void (*destructor)(void *obj))
 {
     if (!set) {
@@ -75,7 +75,7 @@
     free(set);
 }
 
-API ly_bool
+LIBYANG_API_DEF ly_bool
 ly_set_contains(const struct ly_set *set, void *object, uint32_t *index_p)
 {
     LY_CHECK_ARG_RET(NULL, set, 0);
@@ -94,7 +94,7 @@
     return 0;
 }
 
-API LY_ERR
+LIBYANG_API_DEF LY_ERR
 ly_set_dup(const struct ly_set *set, void *(*duplicator)(void *obj), struct ly_set **newset_p)
 {
     struct ly_set *newset;
@@ -125,7 +125,7 @@
     return LY_SUCCESS;
 }
 
-API LY_ERR
+LIBYANG_API_DEF LY_ERR
 ly_set_add(struct ly_set *set, void *object, ly_bool list, uint32_t *index_p)
 {
     void **new;
@@ -162,7 +162,7 @@
     return LY_SUCCESS;
 }
 
-API LY_ERR
+LIBYANG_API_DEF LY_ERR
 ly_set_merge(struct ly_set *trg, const struct ly_set *src, ly_bool list, void *(*duplicator)(void *obj))
 {
     uint32_t u;
@@ -187,7 +187,7 @@
     return LY_SUCCESS;
 }
 
-API LY_ERR
+LIBYANG_API_DEF LY_ERR
 ly_set_rm_index(struct ly_set *set, uint32_t index, void (*destructor)(void *obj))
 {
     LY_CHECK_ARG_RET(NULL, set, LY_EINVAL);
@@ -209,7 +209,7 @@
     return LY_SUCCESS;
 }
 
-API LY_ERR
+LIBYANG_API_DEF LY_ERR
 ly_set_rm(struct ly_set *set, void *object, void (*destructor)(void *obj))
 {
     uint32_t i;