diff --git a/apps/openmw/mwworld/ptr.hpp b/apps/openmw/mwworld/ptr.hpp
index 438b87c7af..4dbdfa5545 100644
--- a/apps/openmw/mwworld/ptr.hpp
+++ b/apps/openmw/mwworld/ptr.hpp
@@ -4,6 +4,7 @@
 #include <cassert>
 #include <type_traits>
 #include <string>
+#include <string_view>
 #include <sstream>
 
 #include "livecellref.hpp"