diff --git a/trdlocal.cpp b/trdlocal.cpp
index e96c685a..240f2a1e 100644
--- a/trdlocal.cpp
+++ b/trdlocal.cpp
@@ -3,12 +3,11 @@
 #include "pch.h"
 
 #ifndef CRYPTOPP_IMPORTS
+#ifdef THREADS_AVAILABLE
 
 #include "trdlocal.h"
 #include <windows.h>
 
-#ifdef THREADS_AVAILABLE
-
 NAMESPACE_BEGIN(CryptoPP)
 
 ThreadLocalStorage::Err::Err(const std::string& operation, int error)
@@ -68,5 +67,4 @@ void *ThreadLocalStorage::GetValue() const
 NAMESPACE_END
 
 #endif	// #ifdef THREADS_AVAILABLE
-
 #endif