diff --git a/src/base/bittorrent/session.cpp b/src/base/bittorrent/session.cpp
index f4f6b13e0..1aa8707da 100644
--- a/src/base/bittorrent/session.cpp
+++ b/src/base/bittorrent/session.cpp
@@ -94,6 +94,7 @@
 #include "trackerentry.h"
 
 #ifdef Q_OS_WIN
+#include <wincrypt.h>
 #include <iphlpapi.h>
 #endif