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 16d1d049a8db6..5a51f872b1702 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
@@ -82,6 +82,7 @@ source_set("sources") {
     "sanitizer_linux_s390.cpp",
     "sanitizer_list.h",
     "sanitizer_local_address_space_view.h",
+    "sanitizer_lzw.h",
     "sanitizer_mac.cpp",
     "sanitizer_mac.h",
     "sanitizer_mac_libcdep.cpp",