diff --git a/libSimGear-2020.3.18-compositor-pass-missing-array-include.patch b/libSimGear-2020.3.18-compositor-pass-missing-array-include.patch
new file mode 100644
index 0000000..5572f5f
--- /dev/null
+++ b/libSimGear-2020.3.18-compositor-pass-missing-array-include.patch
@@ -0,0 +1,11 @@
+diff -ur simgear-2020.3.17.orig/simgear/scene/viewer/Compositor.hxx simgear-2020.3.17/simgear/scene/viewer/Compositor.hxx
+--- simgear-2020.3.17.orig/simgear/scene/viewer/Compositor.hxx	2022-11-20 19:01:30.000000000 +0100
++++ simgear-2020.3.17/simgear/scene/viewer/Compositor.hxx	2023-03-10 18:40:59.219808993 +0100
+@@ -17,6 +17,7 @@
+ #ifndef SG_COMPOSITOR_HXX
+ #define SG_COMPOSITOR_HXX
+ 
++#include <array>
+ #include <unordered_map>
+ #include <vector>
+ 
diff --git a/libSimGear.spec b/libSimGear.spec
index 1069765..90a6fb5 100644
--- a/libSimGear.spec
+++ b/libSimGear.spec
@@ -1,6 +1,6 @@
 %define		   rel %(echo %version | cut -d. -f1-2)
 Name:          libSimGear
-Version:       2020.3.17
+Version:       2020.3.18
 Release:       1mamba
 Summary:       Tools and libraries useful for FlightGear
 Group:         System/Libraries
@@ -11,6 +11,7 @@ URL:           https://www.simgear.com/
 Source:		   https://sourceforge.net/projects/flightgear/files/release-%{rel}/simgear-%{version}.tar.bz2
 Patch0:        %{name}-1.9.1-gcc44.patch
 Patch1:        libSimGear-3.4.0-OpenSceneGraph-3.4.0.patch
+Patch2:        libSimGear-2020.3.18-compositor-pass-missing-array-include.patch
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 ## AUTOBUILDREQ-END
@@ -46,7 +47,10 @@ This package contains static libraries and header files needed for development.
 
 %prep
 %setup -q -n simgear-%{version}
+#-D -T
+#:<< _EOF
 #%patch1 -p1
+%patch 2 -p1
 
 %build
 %cmake -d build
@@ -70,6 +74,9 @@ This package contains static libraries and header files needed for development.
 %doc AUTHORS COPYING
 
 %changelog
+* Wed Sep 13 2023 Automatic Build System <autodist@mambasoft.it> 2020.3.18-1mamba
+- automatic version update by autodist
+
 * Wed Nov 23 2022 Automatic Build System <autodist@mambasoft.it> 2020.3.17-1mamba
 - automatic version update by autodist