diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs
index b6ef20ed268..60ac7637fce 100644
--- a/src/tools/compiletest/src/header.rs
+++ b/src/tools/compiletest/src/header.rs
@@ -758,6 +758,7 @@ pub fn line_directive<'line>(
     "ignore-mode-codegen-units",
     "ignore-mode-coverage-map",
     "ignore-mode-coverage-run",
+    "ignore-mode-crashes",
     "ignore-mode-debuginfo",
     "ignore-mode-incremental",
     "ignore-mode-js-doc-test",