diff --git a/meson.build b/meson.build
index d10efdb..7a03c2d 100644
--- a/meson.build
+++ b/meson.build
@@ -10,7 +10,6 @@ d_compiler = meson.get_compiler('d')
 #endif
 if d_compiler.get_id() == 'llvm'
 	add_project_arguments('-d-version=USE_SCG', language: 'd')
-	add_project_arguments('-DUSE_SCG', language: 'c')
 endif
 
 libisoinfo_proj = subproject('isoinfo')
diff --git a/subprojects/isoinfo/meson.build b/subprojects/isoinfo/meson.build
index 1aef0ec..483e93c 100644
--- a/subprojects/isoinfo/meson.build
+++ b/subprojects/isoinfo/meson.build
@@ -1,6 +1,25 @@
 project('isoinfo', 'c',
 	version: '3.0.2',
-	default_options: ['c_std=c99']
+	default_options: ['c_std=c89']
+)
+
+#original link command:
+#gcc -o OBJ/amd-ryzen-7-pro-2700u-w--radeon-vega-mobile-gfx-linux-cc/isoinfo OBJ/amd-ryzen-7-pro-2700u-w--radeon-vega-mobile-gfx-linux-cc/isoinfo.o OBJ/amd-ryzen-7-pro-2700u-w--radeon-vega-mobile-gfx-linux-cc/scsi.o -L../../libs/amd-ryzen-7-pro-2700u-w--radeon-vega-mobile-gfx-linux-cc -L../../libs/amd-ryzen-7-pro-2700u-w--radeon-vega-mobile-gfx-linux-cc -L/opt/schily/lib -Wl,-R/opt/schily/lib -Wl,-R/opt/schily/lib -lsiconv -lscgcmd -lrscg -lscg -lcdrdeflt -ldeflt -lfind -lschily -lacl -lcap
+
+#original compile command:
+#gcc -O -DSCHILY_BUILD -IOBJ/amd-ryzen-7-pro-2700u-w--radeon-vega-mobile-gfx-linux-cc -I../../incs/amd-ryzen-7-pro-2700u-w--radeon-vega-mobile-gfx-linux-cc -I../../include -DUSE_LIBSCHILY -DUSE_LARGEFILES -DUSE_SCG -I.. -I../../libscg -I../../libscgcmd -I../../libcdrdeflt -DUSE_FIND -DSCHILY_PRINT -DUSE_NLS -DUSE_ICONV -DINS_BASE="/opt/schily" -DTEXT_DOMAIN="SCHILY_cdrtools" -D_GNU_SOURCE -c -o OBJ/amd-ryzen-7-pro-2700u-w--radeon-vega-mobile-gfx-linux-cc/isoinfo.o isoinfo.c
+
+add_project_arguments(
+	'-DUSE_SCG',
+	'-DUSE_FIND',
+	'-DUSE_ICONV',
+	'-DUSE_LIBSCHILY',
+	'-DUSE_LARGEFILES',
+	'-DSCHILY_PRINT',
+	'-DUSER_NLS',
+	'-DINS_BASE="/opt/schily"',
+	'-DTEXT_DOMAIN="SCHILY_cdrtools"',
+	language: 'c'
 )
 
 c_compiler = meson.get_compiler('c')
diff --git a/subprojects/isoinfo/src/isoinfo.c b/subprojects/isoinfo/src/isoinfo.c
index 9df339b..ab1edf7 100644
--- a/subprojects/isoinfo/src/isoinfo.c
+++ b/subprojects/isoinfo/src/isoinfo.c
@@ -59,11 +59,12 @@ static	UConst char sccsid[] =
 #include <schily/errno.h>
 #include <schily/schily.h>
 
-#include "../iso9660.h"
-#include "../rock.h"
-#include "../scsi.h"
-#include "cdrdeflt.h"
-#include "../../cdrecord/version.h"
+#include "iso9660.h"
+#include "rock.h"
+#include "scsi.h"
+#include "cdrdeflt/cdrdeflt.h"
+
+#define	VERSION	"3.02a09"
 
 #include <schily/siconv.h>
 #include <schily/io.h>				/* for setmode() prototype */