diff --git a/test/helpers/point_helpers.cc b/test/helpers/point_helpers.cc
index 42152b50..eabd0a82 100644
--- a/test/helpers/point_helpers.cc
+++ b/test/helpers/point_helpers.cc
@@ -1,6 +1,7 @@
 #include "./point_helpers.h"
 #include <string>
 #include <ostream>
+#include <cassert>
 #include "runtime/length.h"
 #include "tree_sitter/runtime.h"