diff --git a/src/jansson.h.in b/src/jansson.h.in
index 4980d01..8032692 100644
--- a/src/jansson.h.in
+++ b/src/jansson.h.in
@@ -106,7 +106,7 @@ int json_object_set_nocheck(json_t *object, const char *key, json_t *value)
     return json_object_set_new_nocheck(object, key, json_incref(value));
 }
 
-static inline
+static JSON_INLINE
 int json_object_iter_set(json_t *object, void *iter, json_t *value)
 {
     return json_object_iter_set_new(object, iter, json_incref(value));