diff --git a/src/load.c b/src/load.c
index 262bd7d..3cc7d0f 100644
--- a/src/load.c
+++ b/src/load.c
@@ -839,10 +839,13 @@ json_t *json_loads(const char *string, size_t flags, json_error_t *error)
 {
     lex_t lex;
     json_t *result;
-    string_data_t stream_data = {string, 0};
+    string_data_t stream_data;
 
     (void)flags; /* unused */
 
+    stream_data.data = string;
+    stream_data.pos = 0;
+
     if(lex_init(&lex, string_get, (void *)&stream_data))
         return NULL;