diff --git a/clang/tools/driver/driver.cpp b/clang/tools/driver/driver.cpp
index c1172817ed91..0bd0c60946fc 100644
--- a/clang/tools/driver/driver.cpp
+++ b/clang/tools/driver/driver.cpp
@@ -36,7 +36,8 @@
 using namespace clang;
 using namespace clang::driver;
 
-llvm::sys::Path GetExecutablePath(const char *Argv0, bool CanonicalPrefixes) {
+static llvm::sys::Path GetExecutablePath(const char *Argv0,
+                                         bool CanonicalPrefixes) {
   if (!CanonicalPrefixes)
     return llvm::sys::Path(Argv0);