diff --git a/src/base/bittorrent/session.cpp b/src/base/bittorrent/session.cpp
index 01ce95751..6b03658a2 100644
--- a/src/base/bittorrent/session.cpp
+++ b/src/base/bittorrent/session.cpp
@@ -93,7 +93,7 @@
 #include <iphlpapi.h>
 #endif
 
-#if _WIN32_WINNT < 0x0600
+#if defined(Q_OS_WIN) && (_WIN32_WINNT < 0x0600)
 using NETIO_STATUS = LONG;
 #endif