1 files changed, 1 insertions, 0 deletions

diff --git a/src/lib_string.c b/src/lib_string.c
index 5fdfcd91..36fd3f53 100644
--- a/src/lib_string.c
+++ b/src/lib_string.c
@@ -18,6 +18,7 @@
 #include "lj_obj.h"
 #include "lj_gc.h"
 #include "lj_err.h"
+#include "lj_buf.h"
 #include "lj_str.h"
 #include "lj_tab.h"
 #include "lj_meta.h"