diff --git a/src/mainclient/shell.c b/src/mainclient/shell.c
index 05c428e7..06f61219 100644
--- a/src/mainclient/shell.c
+++ b/src/mainclient/shell.c
@@ -30,6 +30,7 @@
 #ifdef _WIN32
 #include <windows.h>
 #include <shlwapi.h>
+#include <versionhelpers.h>
 #ifndef ENABLE_VIRTUAL_TERMINAL_PROCESSING
 #define ENABLE_VIRTUAL_TERMINAL_PROCESSING 0x0004
 #endif