diff --git a/srcpkgs/endless-sky-gl21/patches/fix-std-string.patch b/srcpkgs/endless-sky-gl21/patches/fix-std-string.patch
new file mode 100644
index 00000000000..cbe1fe44de6
--- /dev/null
+++ b/srcpkgs/endless-sky-gl21/patches/fix-std-string.patch
@@ -0,0 +1,10 @@
+--- source/Panel.h	2021-01-17 14:25:52.952063261 +0100
++++ source/Panel.h	2021-01-17 14:29:26.466536974 +0100
+@@ -15,6 +15,7 @@
+ 
+ #include "Rectangle.h"
+ 
++#include <string>
+ #include <functional>
+ #include <list>
+