diff --git a/tests/utils.h b/tests/utils.h
index 03c9b578..f9d3d9b1 100644
--- a/tests/utils.h
+++ b/tests/utils.h
@@ -24,6 +24,7 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include "vkd3d_test.h"
+#include "vkd3d_d3d12.h"
 
 struct vec2
 {