diff --git a/.gitattributes b/.gitattributes
index c2fdb0780..0331fdff9 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -18,4 +18,5 @@ feature_tests/dotnet/Lib/** linguist-generated=true
 feature_tests/js/api/** linguist-generated=true
 feature_tests/js/docs/source/** linguist-generated=true
 feature_tests/kotlin/somelib/** linguist-generated=true
-feature_tests/js/api/** linguist-generated=true
\ No newline at end of file
+feature_tests/js/api/** linguist-generated=true
+feature_tests/demo_gen/demo/** linguist-generated=true
\ No newline at end of file