diff --git a/src/descrambler/tvhcsa.h b/src/descrambler/tvhcsa.h
index 48fdcee0..a302fc05 100644
--- a/src/descrambler/tvhcsa.h
+++ b/src/descrambler/tvhcsa.h
@@ -22,6 +22,8 @@
 struct mpegts_service;
 struct elementary_stream;
 
+#include "tvheadend.h"
+
 #include <stdint.h>
 #if ENABLE_DVBCSA
 #include <dvbcsa/dvbcsa.h>