diff --git a/storage/cache/storage_encrypted_file_tests.cpp b/storage/cache/storage_encrypted_file_tests.cpp
index 316f211..d9124ee 100644
--- a/storage/cache/storage_encrypted_file_tests.cpp
+++ b/storage/cache/storage_encrypted_file_tests.cpp
@@ -21,9 +21,9 @@ For license and copyright information please follow this link:
 #include <thread>
 #ifdef Q_OS_MAC
 #include <mach-o/dyld.h>
-#elif defined Q_OS_UNIX // Q_OS_MAC
+#elif !defined Q_OS_WIN // Q_OS_MAC
 #include <unistd.h>
-#endif // Q_OS_MAC || Q_OS_UNIX
+#endif // Q_OS_MAC || !Q_OS_WIN
 
 extern int (*TestForkedMethod)();