diff --git a/generator/templates/dawn_native/ObjectType.h b/generator/templates/dawn_native/ObjectType.h
index c9c8feacd8..cde4b07b1f 100644
--- a/generator/templates/dawn_native/ObjectType.h
+++ b/generator/templates/dawn_native/ObjectType.h
@@ -17,6 +17,8 @@
 
 #include "common/ityp_array.h"
 
+#include <cstdint>
+
 namespace dawn_native {
 
     enum class ObjectType : uint32_t {