diff --git a/audio/triceratops-lv2/Makefile b/audio/triceratops-lv2/Makefile
index 40f7ab163bb5..23af59334bb9 100644
--- a/audio/triceratops-lv2/Makefile
+++ b/audio/triceratops-lv2/Makefile
@@ -18,7 +18,7 @@ BUILD_DEPENDS=	lv2>0:audio/lv2
 LIB_DEPENDS=	libfontconfig.so:x11-fonts/fontconfig \
 		libfreetype.so:print/freetype2
 
-USES=		compiler:c++11-lang pkgconfig waf
+USES=		compiler:c++11-lang gnome pkgconfig waf
 USE_GNOME=	cairo cairomm gdkpixbuf2 gtk20 gtkmm24
 NO_WRKSUBDIR=	yes
 LDFLAGS_i386=	-Wl,-znotext
diff --git a/audio/triceratops-lv2/files/patch-synth.cpp b/audio/triceratops-lv2/files/patch-synth.cpp
new file mode 100644
index 000000000000..a210264089d1
--- /dev/null
+++ b/audio/triceratops-lv2/files/patch-synth.cpp
@@ -0,0 +1,11 @@
+--- synth.cpp.orig	2019-04-11 12:27:29 UTC
++++ synth.cpp
+@@ -1,5 +1,7 @@
+ 
+-
++#ifdef __FreeBSD__
++#include <sys/types.h>
++#endif
+ #include "synth.h"
+ 
+ // CONSTRUCTOR