diff --git a/audio/din/Makefile b/audio/din/Makefile
index d98ff73dccc4..433c157067f0 100644
--- a/audio/din/Makefile
+++ b/audio/din/Makefile
@@ -1,37 +1,37 @@
 PORTNAME=	din
-PORTVERSION=	50.1
+PORTVERSION=	50.2
 CATEGORIES=	audio
 MASTER_SITES=	https://archive.org/download/dinisnoise_source_code/
 
 MAINTAINER=	fox@FreeBSD.org
 COMMENT=	Open source, cross-platform sound synthesizer
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libasound.so:audio/alsa-lib \
 		libboost_system.so:devel/boost-libs \
 		libjack.so:audio/jack
 
 USES=		autoreconf gl gnome sdl tcl:86+ xorg
 USE_GL=		gl
 USE_SDL=	sdl
 
 GNU_CONFIGURE=	yes
 
 INSTALLS_ICONS=	yes
 
 OPTIONS_SINGLE=		BACKEND
 OPTIONS_SINGLE_BACKEND=	ALSA JACK
 OPTIONS_DEFAULT=	JACK
 
 JACK_DESC=	Uses JACK sound server
 ALSA_DESC=	Uses ALSA sound server
 
 ALSA_CXXFLAGS+=	-D__LINUX_ALSA__
 JACK_CXXFLAGS+=	-D__UNIX_JACK__
 
 CXXFLAGS+=	-I${LOCALBASE}/include -I${LOCALBASE}/include/tcl${TCL_VER}
 LIBS+=		-L${LOCALBASE}/lib -ltcl${TCL_SHLIB_VER} -lthr -ljack
 
 .include <bsd.port.mk>
diff --git a/audio/din/distinfo b/audio/din/distinfo
index 50e96f5550a9..d8c7a9b01038 100644
--- a/audio/din/distinfo
+++ b/audio/din/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1617062653
-SHA256 (din-50.1.tar.gz) = 026ff198947cddd33175b886a6ff03b7063906abcdaefe9c89f3e7858d928df2
-SIZE (din-50.1.tar.gz) = 3684686
+TIMESTAMP = 1618744631
+SHA256 (din-50.2.tar.gz) = 37c2171b21cd770f82eba9dfb3224c9a82d9758c7a115282a6dcb04eee6c4b16
+SIZE (din-50.2.tar.gz) = 3687036
diff --git a/audio/din/files/patch-src_Makefile.am b/audio/din/files/patch-src_Makefile.am
index 778bdbb1019d..92e5d7ed7eca 100644
--- a/audio/din/files/patch-src_Makefile.am
+++ b/audio/din/files/patch-src_Makefile.am
@@ -1,13 +1,15 @@
 Removed tcl8.6, asound and jack flags, this is now handled in the ports
 script.
 
---- src/Makefile.am.orig	2018-10-22 17:17:28 UTC
+--- src/Makefile.am.orig	2021-04-18 07:04:31 UTC
 +++ src/Makefile.am
-@@ -1,5 +1,5 @@
--AM_CXXFLAGS = -I ../include -I /usr/include/tcl8.6 -Wall -D_THREAD_SAFE -DHAVE_OPENGL -D__EVALUATION__ -D __SVG__ -D__GPL20__ -DPREFIX=\"@prefix@\"
+@@ -1,7 +1,7 @@
+ #dinincludedir = $(pkgsrcdir)
+ 
+-AM_CXXFLAGS = -I /usr/include/tcl8.6 -Wall -D_THREAD_SAFE -DHAVE_OPENGL -D__LICENSED__ -D __SVG__ -D__GPL20__ -D __BOOST_TIME__ -DPREFIX=\"@prefix@\" 
 -LIBS +=  -ltcl8.6 -lSDL -lGL -lpthread -lasound
-+AM_CXXFLAGS = -I ../include -Wall -D_THREAD_SAFE -DHAVE_OPENGL -D__EVALUATION__ -D __SVG__ -D__GPL20__ -DPREFIX=\"@prefix@\"
-+LIBS +=  -lSDL -lGL -lpthread
++AM_CXXFLAGS = -Wall -D_THREAD_SAFE -DHAVE_OPENGL -D__LICENSED__ -D __SVG__ -D__GPL20__ -D __BOOST_TIME__ -DPREFIX=\"@prefix@\" 
++LIBS +=  -lSDL -lGL -lpthread -lasound
  
- AM_CFLAGS = -I ../include
  bin_PROGRAMS = din
+ din_SOURCES = alarm.cc arrow_button.cc audio.cc authors_note.cc ball.cc ball_ops.cc basic_editor.cc beat2value.cc binaural_drone.cc binaural_drones.cc bit_display.cc box_selector.cc button.cc capturer.cc checkbutton.cc chrono.cc circler.cc command.cc compressor.cc console.cc console_iterator.cc countries.cc cross_button.cc curve.cc curve_display.cc curve_editor.cc curve_library.cc curve_mixer.cc curve_picker.cc curve_samples.cc custom_periodic.cc delay.cc din.cc din_info.cc drone.cc eval.cc fader.cc fft.cc field.cc filled_button.cc font.cc font_editor.cc fractaliser.cc globals.cc glyph.cc gravity.cc hit.cc help.cc item_list.cc keyboard_keyboard.cc label.cc levels.cc line.cc lissajous.cc listeners.cc main.cc menu.cc mesh.cc midi_in.cc minus_button.cc mocap.cc modulator.cc mondrian.cc morpher.cc morse_code.cc mouse_slider.cc multi_curve.cc note.cc noiser.cc number.cc oscilloscope.cc phrasor.cc play.cc plugin.cc plugin_browser.cc plus_button.cc point_modulator.cc range.cc recorder.cc rect.cc rose_milker.cc scale_info.cc scale_notes.cc scalelist.cc separator.cc settings.cc sine_mixer.cc slit.cc solver.cc spiraler.cc starrer.cc superformula.cc tap_bpm.cc tcl_interp.cc textboard.cc tokenizer.cc trail.cc triggered_note.cc ui.cc ui_sin_cos_radius.cc viewwin.cc warper.cc widget.cc kiss_fft.c RtAudio.cpp RtMidi.cpp