diff --git a/llvm/tools/llvm-cgdata/llvm-cgdata.cpp b/llvm/tools/llvm-cgdata/llvm-cgdata.cpp
index 5c028311b06b..98fa5c565735 100644
--- a/llvm/tools/llvm-cgdata/llvm-cgdata.cpp
+++ b/llvm/tools/llvm-cgdata/llvm-cgdata.cpp
@@ -75,8 +75,8 @@ public:
 
 // Options
 static StringRef ToolName;
-static StringRef OutputFilename = "-";
-static StringRef Filename;
+static std::string OutputFilename = "-";
+static std::string Filename;
 static bool ShowCGDataVersion;
 static bool SkipTrim;
 static CGDataAction Action;