diff --git a/srcpkgs/endless-sky-gl21/patches/fix-include.patch b/srcpkgs/endless-sky-gl21/patches/fix-include.patch
new file mode 100644
index 00000000000..a434e09cc5d
--- /dev/null
+++ b/srcpkgs/endless-sky-gl21/patches/fix-include.patch
@@ -0,0 +1,20 @@
+--- a/source/ImageBuffer.h
++++ b/source/ImageBuffer.h
+@@ -13,6 +13,7 @@ PARTICULAR PURPOSE.  See the GNU General
+ #ifndef IMAGE_BUFFER_H_
+ #define IMAGE_BUFFER_H_
+ 
++#include <cstdint>
+ #include <string>
+ 
+ 
+--- a/source/Sound.cpp
++++ b/source/Sound.cpp
+@@ -21,6 +21,7 @@ PARTICULAR PURPOSE.  See the GNU General
+ #include <OpenAL/al.h>
+ #endif
+ 
++#include <cstdint>
+ #include <cstdio>
+ #include <vector>
+