diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6321d252b..8403f90fe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1393,6 +1393,7 @@ set(EXPECTED_DATA
   countryflags/XCA.png
   countryflags/XEN.png
   countryflags/XEU.png
+  countryflags/XGL.png
   countryflags/XNI.png
   countryflags/XSC.png
   countryflags/XWA.png
diff --git a/data/countryflags/XGL.png b/data/countryflags/XGL.png
new file mode 100644
index 000000000..5860a2c75
Binary files /dev/null and b/data/countryflags/XGL.png differ