diff --git a/llvm/utils/gn/secondary/compiler-rt/lib/sanitizer_common/BUILD.gn b/llvm/utils/gn/secondary/compiler-rt/lib/sanitizer_common/BUILD.gn
index 4da36b2deee659..03492849fd5ccf 100644
--- a/llvm/utils/gn/secondary/compiler-rt/lib/sanitizer_common/BUILD.gn
+++ b/llvm/utils/gn/secondary/compiler-rt/lib/sanitizer_common/BUILD.gn
@@ -149,6 +149,7 @@ source_set("sources") {
     "sanitizer_symbolizer_report.cpp",
     "sanitizer_symbolizer_win.cpp",
     "sanitizer_termination.cpp",
+    "sanitizer_thread_arg_retval.cpp",
     "sanitizer_thread_registry.cpp",
     "sanitizer_thread_registry.h",
     "sanitizer_thread_safety.h",