diff --git a/llvm/utils/gn/secondary/clang/lib/Parse/BUILD.gn b/llvm/utils/gn/secondary/clang/lib/Parse/BUILD.gn
index 2e0550f8648f6..12d2cadd6c1b7 100644
--- a/llvm/utils/gn/secondary/clang/lib/Parse/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/lib/Parse/BUILD.gn
@@ -24,6 +24,7 @@ static_library("Parse") {
     "ParseHLSL.cpp",
     "ParseInit.cpp",
     "ParseObjc.cpp",
+    "ParseOpenACC.cpp",
     "ParseOpenMP.cpp",
     "ParsePragma.cpp",
     "ParseStmt.cpp",