diff --git a/srcpkgs/DarkRadiant/patches/add-missing-includes.patch b/srcpkgs/DarkRadiant/patches/add-missing-includes.patch
new file mode 100644
index 00000000000..087ce45f42a
--- /dev/null
+++ b/srcpkgs/DarkRadiant/patches/add-missing-includes.patch
@@ -0,0 +1,10 @@
+--- a/radiantcore/eclass/EntityClass.cpp
++++ b/radiantcore/eclass/EntityClass.cpp
+@@ -8,6 +8,7 @@
+ #include "string/predicate.h"
+ #include <fmt/format.h>
+ #include <functional>
++#include <utility>
+ 
+ namespace eclass
+ {