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 a7e026b8632f7..d6f18aec9f211 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
@@ -29,6 +29,7 @@ source_set("sources") {
     "sanitizer_allocator_secondary.h",
     "sanitizer_allocator_size_class_map.h",
     "sanitizer_allocator_stats.h",
+    "sanitizer_array_ref.h",
     "sanitizer_asm.h",
     "sanitizer_atomic.h",
     "sanitizer_atomic_clang.h",