diff --git a/plugins/win-capture/window-helpers.c b/plugins/win-capture/window-helpers.c
index b6963e3b2..22606f95f 100644
--- a/plugins/win-capture/window-helpers.c
+++ b/plugins/win-capture/window-helpers.c
@@ -1,3 +1,4 @@
+#define PSAPI_VERSION 1
 #include <obs.h>
 #include <util/dstr.h>