diff --git a/compiler-rt/lib/fuzzer/FuzzerUtilWindows.cpp b/compiler-rt/lib/fuzzer/FuzzerUtilWindows.cpp
index db80eb383885..e0210aa0ac36 100644
--- a/compiler-rt/lib/fuzzer/FuzzerUtilWindows.cpp
+++ b/compiler-rt/lib/fuzzer/FuzzerUtilWindows.cpp
@@ -241,8 +241,8 @@ size_t PageSize() {
 void SetThreadName(std::thread &thread, const std::string &name) {
   typedef HRESULT(WINAPI * proc)(HANDLE, PCWSTR);
   HMODULE kbase = GetModuleHandleA("KernelBase.dll");
-  proc ThreadNameProc =
-      reinterpret_cast<proc>(GetProcAddress(kbase, "SetThreadDescription"));
+  proc ThreadNameProc = reinterpret_cast<proc>(
+      (void *)GetProcAddress(kbase, "SetThreadDescription"));
   if (ThreadNameProc) {
     std::wstring buf;
     auto sz = MultiByteToWideChar(CP_UTF8, 0, name.data(), -1, nullptr, 0);
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_win.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_win.cpp
index aae3e76ea229..1ff8b8f1bab4 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_win.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_win.cpp
@@ -65,12 +65,13 @@ void InitializeDbgHelpIfNeeded() {
   HMODULE dbghelp = LoadLibraryA("dbghelp.dll");
   CHECK(dbghelp && "failed to load dbghelp.dll");
 
-#define DBGHELP_IMPORT(name)                                                  \
-  do {                                                                        \
-    name =                                                                    \
-        reinterpret_cast<decltype(::name) *>(GetProcAddress(dbghelp, #name)); \
-    CHECK(name != nullptr);                                                   \
-  } while (0)
+#  define DBGHELP_IMPORT(name)                     \
+    do {                                           \
+      name = reinterpret_cast<decltype(::name) *>( \
+          (void *)GetProcAddress(dbghelp, #name)); \
+      CHECK(name != nullptr);                      \
+    } while (0)
+
   DBGHELP_IMPORT(StackWalk64);
   DBGHELP_IMPORT(SymCleanup);
   DBGHELP_IMPORT(SymFromAddr);