diff --git a/llvm/utils/gn/secondary/compiler-rt/lib/asan/BUILD.gn b/llvm/utils/gn/secondary/compiler-rt/lib/asan/BUILD.gn
index 1d24d049a0ae4..483d56be802ad 100644
--- a/llvm/utils/gn/secondary/compiler-rt/lib/asan/BUILD.gn
+++ b/llvm/utils/gn/secondary/compiler-rt/lib/asan/BUILD.gn
@@ -7,6 +7,7 @@ if (current_toolchain == host_toolchain) {
   }
 } else {
   asan_sources = [
+    "asan_aix.cpp",
     "asan_activation.cpp",
     "asan_activation.h",
     "asan_activation_flags.inc",