diff --git a/compiler-rt/lib/fuzzer/FuzzerUtilWindows.cpp b/compiler-rt/lib/fuzzer/FuzzerUtilWindows.cpp
--- a/compiler-rt/lib/fuzzer/FuzzerUtilWindows.cpp
+++ b/compiler-rt/lib/fuzzer/FuzzerUtilWindows.cpp
@@ -237,9 +237,10 @@
   std::wstring wname;
   auto sz = MultiByteToWideChar(CP_UTF8, 0, name.data(), name.size(), nullptr, 0);
   wname.resize(sz);
-  if (sz == MultiByteToWideChar(CP_UTF8, 0, name.data, name.size, &wname[0], sz) > 0) {
-      wname.resize(sz - 1);
-      (void)SetThreadDescription(thread.native_handle(), wname.c_str());
+  if (sz == MultiByteToWideChar(CP_UTF8, 0, name.data(), name.size(), &wname[0],
+                                sz) > 0) {
+    wname.resize(sz - 1);
+    (void)SetThreadDescription(thread.native_handle(), wname.c_str());
   }
 }