diff --git a/.gitignore b/.gitignore
index d8e56f390..bdaa12bf2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -208,6 +208,7 @@ TAGS
 /tests/conform/test-units-string
 /tests/conform/test-premult
 /tests/conform/test-clone-no-map
+/tests/conform/test-materials
 /tests/conform/test-conformance-result.xml
 /tests/micro-bench/test-text-perf
 /tests/micro-bench/test-text