From 2ed2734365e84a1b1c78093905d1ad96590b0c37 Mon Sep 17 00:00:00 2001
From: Arne Morten Kvarving <arne.morten.kvarving@sintef.no>
Date: Mon, 13 Feb 2023 16:15:45 +0100
Subject: [PATCH] PerforationData: add missing include

---
 opm/simulators/wells/PerforationData.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/opm/simulators/wells/PerforationData.hpp b/opm/simulators/wells/PerforationData.hpp
index 3a97bf28b..f97c5af6c 100644
--- a/opm/simulators/wells/PerforationData.hpp
+++ b/opm/simulators/wells/PerforationData.hpp
@@ -20,6 +20,8 @@
 #ifndef OPM_PERFORATIONDATA_HEADER_INCLUDED
 #define OPM_PERFORATIONDATA_HEADER_INCLUDED
 
+#include <cstddef>
+
 namespace Opm
 {