diff --git a/llvm/tools/llvm-config/llvm-config.cpp b/llvm/tools/llvm-config/llvm-config.cpp
--- a/llvm/tools/llvm-config/llvm-config.cpp
+++ b/llvm/tools/llvm-config/llvm-config.cpp
@@ -358,7 +358,7 @@
   } else {
     ActivePrefix = CurrentExecPrefix;
     ActiveIncludeDir = ActivePrefix + "/include";
-    SmallString<256> path(StringRef(LLVM_TOOLS_INSTALL_DIR));
+    SmallString<256> path(LLVM_TOOLS_INSTALL_DIR);
     sys::fs::make_absolute(ActivePrefix, path);
     ActiveBinDir = std::string(path.str());
     ActiveLibDir = ActivePrefix + "/lib" + LLVM_LIBDIR_SUFFIX;