diff --git a/srcpkgs/simgear/patches/fix-include.patch b/srcpkgs/simgear/patches/fix-include.patch
new file mode 100644
index 00000000000..c63eef88767
--- /dev/null
+++ b/srcpkgs/simgear/patches/fix-include.patch
@@ -0,0 +1,12 @@
+Index: simgear-2020.3.13/simgear/scene/viewer/Compositor.hxx
+===================================================================
+--- simgear-2020.3.13.orig/simgear/scene/viewer/Compositor.hxx
++++ simgear-2020.3.13/simgear/scene/viewer/Compositor.hxx
+@@ -17,6 +17,7 @@
+ #ifndef SG_COMPOSITOR_HXX
+ #define SG_COMPOSITOR_HXX
+ 
++#include <array>
+ #include <unordered_map>
+ #include <vector>
+