diff --git a/byterun/instrtrace.c b/byterun/instrtrace.c
index a4b4dc6f7..bd2cfe894 100644
--- a/byterun/instrtrace.c
+++ b/byterun/instrtrace.c
@@ -25,6 +25,7 @@
 #include "mlvalues.h"
 #include "opnames.h"
 #include "prims.h"
+#include "stacks.h"
 
 extern code_t caml_start_code;