diff --git a/llvm/utils/gn/secondary/libunwind/src/BUILD.gn b/llvm/utils/gn/secondary/libunwind/src/BUILD.gn
index 64c9df55a10f..6c91b7a5a462 100644
--- a/llvm/utils/gn/secondary/libunwind/src/BUILD.gn
+++ b/llvm/utils/gn/secondary/libunwind/src/BUILD.gn
@@ -30,6 +30,7 @@ unwind_sources = [
   "RWMutex.hpp",
   "Registers.hpp",
   "Unwind-EHABI.cpp",
+  "Unwind-EHABI.h",
   "Unwind-seh.cpp",
   "Unwind-sjlj.c",
   "UnwindCursor.hpp",