diff --git a/sys/msdk/meson.build b/sys/msdk/meson.build
index de02e03f10475ab05724495a14e58dc0de4a6549..d8f5f1694fe472f914dfdcfb67c27d376dd7e796 100644
--- a/sys/msdk/meson.build
+++ b/sys/msdk/meson.build
@@ -80,9 +80,11 @@ endif
 # mfx 1.26+ is required to support raw VP9 stream
 mfx_ver126_check_code = '''
 #include <mfxdefs.h>
+#include <mfxstructures.h>
 #if MFX_VERSION < 1026
 #error "The current version of mfx doesn't support raw vp9 stream"
-#endif'
+#endif
+mfxExtVP9Param ext;
 '''
 
 have_mfx_ver126 = cc.compiles(mfx_ver126_check_code,