diff --git a/src/util/virthreadwin32.c b/src/util/virthreadwin32.c
index 8928414b1d..5d6277f246 100644
--- a/src/util/virthreadwin32.c
+++ b/src/util/virthreadwin32.c
@@ -25,6 +25,8 @@
 
 #include "viralloc.h"
 
+#define VIR_FROM_THIS VIR_FROM_NONE
+
 struct virThreadLocalData {
     DWORD key;
     virThreadLocalCleanup cleanup;