2 files changed, 15 insertions, 0 deletions
diff --git a/src/lib/butler.h b/src/lib/butler.h
index 87408646b..bac94a742 100644
--- a/src/lib/butler.h
+++ b/src/lib/butler.h
@@ -19,6 +19,10 @@
 */
 
 
+#ifndef DCPOMATIC_BUTLER_H
+#define DCPOMATIC_BUTLER_H
+
+
 #include "audio_mapping.h"
 #include "audio_ring_buffers.h"
 #include "change_signaller.h"
@@ -152,3 +156,7 @@ private:
 	boost::signals2::scoped_connection _player_text_connection;
 	boost::signals2::scoped_connection _player_change_connection;
 };
+
+
+#endif
+
diff --git a/src/lib/video_ring_buffers.h b/src/lib/video_ring_buffers.h
index 47fda01f7..842336a26 100644
--- a/src/lib/video_ring_buffers.h
+++ b/src/lib/video_ring_buffers.h
@@ -19,6 +19,10 @@
 */
 
 
+#ifndef DCPOMATIC_VIDEO_RING_BUFFERS_H
+#define DCPOMATIC_VIDEO_RING_BUFFERS_H
+
+
 #include "dcpomatic_time.h"
 #include "player_video.h"
 #include "types.h"
@@ -53,3 +57,6 @@ private:
 	mutable boost::mutex _mutex;
 	std::list<std::pair<std::shared_ptr<PlayerVideo>, dcpomatic::DCPTime>> _data;
 };
+
+
+#endif