diff --git a/handler/win/hanging_program.cc b/handler/win/hanging_program.cc
index 3fec43b2..04c093aa 100644
--- a/handler/win/hanging_program.cc
+++ b/handler/win/hanging_program.cc
@@ -53,7 +53,7 @@ DWORD WINAPI Thread3(LPVOID context) {
   HANDLE event = context;
   PCHECK(SetEnvironmentVariable(
       L"CRASHPAD_TEST_DLL_EVENT",
-      base::UTF8ToUTF16(base::StringPrintf("%p", event)).c_str()));
+      base::UTF8ToWide(base::StringPrintf("%p", event)).c_str()));
 
   HMODULE dll = LoadLibrary(L"loader_lock_dll.dll");
   if (!dll)