diff --git a/clang/lib/Driver/ToolChains/OHOS.cpp b/clang/lib/Driver/ToolChains/OHOS.cpp
index e12b34f15dc308211897de77bbb667e27289b60d..551ae2ec821c19079e1d7fcab2dd626c3b34d86b 100644
--- a/clang/lib/Driver/ToolChains/OHOS.cpp
+++ b/clang/lib/Driver/ToolChains/OHOS.cpp
@@ -297,11 +297,11 @@ std::string OHOS::computeSysRoot() const {
       !getDriver().SysRoot.empty()
           ? getDriver().SysRoot
           : makePath({getDriver().getInstalledDir(), "..", "..", "sysroot"});
-  if (!llvm::sys::fs::exists(SysRoot))
+  if (!getVFS().exists(SysRoot))
     return std::string();
 
   std::string ArchRoot = makePath({SysRoot, getMultiarchTriple(getTriple())});
-  return llvm::sys::fs::exists(ArchRoot) ? ArchRoot : SysRoot;
+  return getVFS().exists(ArchRoot) ? ArchRoot : SysRoot;
 }
 
 ToolChain::path_list OHOS::getRuntimePaths() const {