diff --git a/configure.ac b/configure.ac
index 7625bd71..ba7dc7b5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -408,7 +408,7 @@ if test x$enable_debug != xyes; then
     CFLAGS="-DNDEBUG $CFLAGS"
 else
     if test x$GCC = xyes; then
-        CFLAGS="-g -pedantic -Wall -Wextra -Wno-unused-parameter $CFLAGS"
+        CFLAGS="-g -pedantic -Wall -Wextra -Wno-unused-parameter -Wno-char-subscripts $CFLAGS"
     fi
     CFLAGS="-DDEBUG $CFLAGS"
 fi
diff --git a/xorriso/compile_xorriso.sh b/xorriso/compile_xorriso.sh
index 70a961e5..15fbe0f6 100755
--- a/xorriso/compile_xorriso.sh
+++ b/xorriso/compile_xorriso.sh
@@ -22,7 +22,7 @@ def_opts="-DXorriso_allow_external_filterS -DXorriso_allow_launch_frontenD"
 largefile_opts="-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE=1"
 do_strip=0
 static_opts=
-warn_opts="-Wall -Wextra -Wno-unused-parameter"
+warn_opts="-Wall -Wextra -Wno-unused-parameter -Wno-char-subscripts"
 # warn_opts="-Wall -Wsign-compare"
 nglibisofs=1
 def_have="-DHAVE_STDINT_H"
diff --git a/xorriso/configure_ac.txt b/xorriso/configure_ac.txt
index 56d61035..cdd2e388 100644
--- a/xorriso/configure_ac.txt
+++ b/xorriso/configure_ac.txt
@@ -137,7 +137,7 @@ if test x$enable_debug != xyes; then
     CFLAGS="-DNDEBUG $CFLAGS"
 else
     if test x$GCC = xyes; then
-        CFLAGS="-g -pedantic -Wall -Wextra -Wno-unused-parameter $CFLAGS"
+        CFLAGS="-g -pedantic -Wall -Wextra -Wno-unused-parameter -Wno-char-subscripts $CFLAGS"
     fi
     CFLAGS="-DDEBUG $CFLAGS"
 fi
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 8c263f81..0dc17294 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2014.01.23.200641"
+#define Xorriso_timestamP "2014.02.05.191021"