diff --git a/clang/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp b/clang/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp
index 3c1a3b4111d1..cfcf7c6a990b 100644
--- a/clang/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp
+++ b/clang/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp
@@ -22,6 +22,7 @@
 #include "clang/Rewrite/Core/Rewriter.h"
 #include "clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h"
 #include "clang/StaticAnalyzer/Core/CheckerManager.h"
+#include "llvm/Support/Errc.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Path.h"
@@ -306,7 +307,7 @@ void HTMLDiagnostics::ReportDiag(const PathDiagnostic& D,
                                                FD,
                                                llvm::sys::fs::F_RW |
                                                llvm::sys::fs::F_Excl);
-          if (EC && EC != std::errc::file_exists) {
+          if (EC && EC != llvm::errc::file_exists) {
               llvm::errs() << "warning: could not create file '" << Model
                            << "': " << EC.message() << '\n';
               return;