diff --git a/src/descrambler/tvhcsa.c b/src/descrambler/tvhcsa.c
index ee634c9e..8a875a3b 100644
--- a/src/descrambler/tvhcsa.c
+++ b/src/descrambler/tvhcsa.c
@@ -16,6 +16,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "tvheadend.h"
 #include "tvhcsa.h"
 #include "input.h"
 #include "input/mpegts/tsdemux.h"