diff --git a/src/utils/ptr_vector.hpp b/src/utils/ptr_vector.hpp
index 53bba80e5..2485c9700 100644
--- a/src/utils/ptr_vector.hpp
+++ b/src/utils/ptr_vector.hpp
@@ -28,6 +28,7 @@
 
 #include <vector>
 #include <assert.h>
+#include <stdint.h>
 
 #include "utils/aligned_array.hpp"