diff --git a/libobs/media-io/video-frame.h b/libobs/media-io/video-frame.h
index ac549c81b5ac32d65951b4b2b83af61c9c78cd77..64f6b5519054f67c49398d3326ac49e4307f7610 100644
--- a/libobs/media-io/video-frame.h
+++ b/libobs/media-io/video-frame.h
@@ -15,6 +15,8 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
 
+#pragma once
+
 #include "../util/bmem.h"
 #include "video-io.h"