diff --git a/scripts/Makefile b/scripts/Makefile
index a9cc249..f733f00 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -24,7 +24,7 @@ xue-schhist:
 	SCHHIST_TITLE=Xue \
 	  SCHHIST_HOME_URL=http://projects.qi-hardware.com/index.php/p/xue/ \
 	  SCHHIST_COMMIT_TEMPLATE='http://projects.qi-hardware.com/index.php/p/xue/source/commit/{}/' \
-	  ./schhist2web ../../xue kicad/xue-rnc/xue-rnc.sch _xue
+	  ./schhist2web -S ../../xue kicad/xue-rnc/xue-rnc.sch _xue
 
 xue-schhist-upload:
 	 rsync -a --progress _xue/{index.html,unchanged.png,thum*,diff*} \
diff --git a/scripts/gitsch2ppm b/scripts/gitsch2ppm
index 08cbdd1..8a99453 100755
--- a/scripts/gitsch2ppm
+++ b/scripts/gitsch2ppm
@@ -43,6 +43,7 @@ usage: $0 [options] top-dir top-schem [commit] outdir
   -c         use cached Postscript files (from previous run, with -k)
   -k         keep checked-out tree (for immediate reuse with -c)
   -r XxY     image resolution (default: $RES)
+  -S         sanitize the KiCad profile
   -w points  Postscript line width (default: $LINEWIDTH)
 EOF
     exit 1
@@ -51,6 +52,7 @@ EOF
 
 cache=false
 keep=false
+sanitize=true
 while true; do
     case "$1" in
     -c)	cache=true
@@ -60,6 +62,9 @@ while true; do
     -r)	[ -z "$2" ] && usage
 	RES="$2"
 	shift 2;;
+    -S) sanitize=`PATH="$PATH":\`dirname "$0"\` which sanitize-profile`
+	[ "$sanitize" = "${sanitize#/}" ] && sanitize=`pwd`/"$sanitize"
+	shift;;
     -w)	[ -z "$2" ] && usage
 	LINEWIDTH="$2"
 	shift 2;;
@@ -102,7 +107,13 @@ if ! $cache; then
         exit 1
     fi
 
-    ( cd "$sch" && rm -f *.ps *.ppm && eeschema --plot "$tmp/$schem"; ) || exit
+    (
+	cd "$sch" || exit
+	rm -f *.ps *.ppm
+	$sanitize "$tmp"/`dirname "$schem"`/`basename "$schem" .sch`.pro ||
+	  exit
+	eeschema --plot "$tmp/$schem"
+    ) || exit
 fi
 
 for n in "$sch"/*.ps; do
diff --git a/scripts/sanitize-profile b/scripts/sanitize-profile
new file mode 100755
index 0000000..3538584
--- /dev/null
+++ b/scripts/sanitize-profile
@@ -0,0 +1,82 @@
+#!/usr/bin/perl
+#
+# sanitize-profile - Remove items from a KiCad profile that may cause an upset
+#
+# Written 2010 by Werner Almesberger
+# Copyright 2010 Werner Almesberger
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+
+
+@LIBS = ("/usr/share/kicad/library", "/usr/local/share/kicad/library");
+
+
+sub rewrite
+{
+    local ($s) = @_;
+
+    return $s if $section ne "eeschema/libraries";
+    return $s unless /^LibName(\d+)=(.*)\s*$/;
+    my $lib = $2;
+    if ($1 == $in_lib) {
+	$in_lib++;
+    } else {
+	print STDERR "LibName$1 when expecting $next_lib. Renumbering.";
+	$in_lib = $1+1;
+    }
+    $out_lib++;
+    my $var = "LibName$out_lib";
+    if ($lib =~ /\//) {
+	return "$var=$lib\n" if -r "$lib.lib";
+    }
+    for (".", $libdir, @LIBS) {
+	return "$var=$lib\n" if -r "$_/$lib.lib";
+    }
+    print STDERR "cannot find $lib\n";
+    $out_lib--;
+    return undef;
+}
+
+
+sub usage
+{
+    print STDERR "usage: $0 file.pro [outfile]\n";
+    exit(1);
+}
+
+
+($file, $out) = @ARGV;
+&usage if $#ARGV > 1;
+
+($dir = $file) =~ s|.*/||;
+$dir = "." if $dir eq "";
+
+open(FILE, $file) || die "$file: $!";
+while (<FILE>) {
+    if (/^\[(\S+)\]/) {
+	$section = $1;
+	if ($section eq "eeschema/libraries") {
+	    $in_lib = 1;
+	    $out_lib = 0;
+	}
+    }
+    if ($section eq "eeschema") {
+	$libdir = $2 if /^LibDir=(.*)\s*$/;
+    }
+    $s = &rewrite($_);
+    push(@f, $s) if defined $s;
+}
+close FILE;
+
+if (!defined $out) {
+    rename($file, "$file.bak");
+    $out= $file;
+}
+
+open(FILE, ">$out") || die "$out: $!";
+print FILE join("", @f) || die "$out: $!";
+close FILE || die "$out: $!";
diff --git a/scripts/schhist2web b/scripts/schhist2web
index 48d3474..5f71df6 100755
--- a/scripts/schhist2web
+++ b/scripts/schhist2web
@@ -43,19 +43,22 @@ pngdiff()
 usage()
 {
     cat <<EOF 2>&1
-usage: $0 [-c cache-dir] [-n] [top-dir] [top-schem] [out-dir]
+usage: $0 [-c cache-dir] [-n] [-S] [top-dir] [top-schem] [out-dir]
 
   top-dir       top-level directory of the git archive (default: locate it)
   top-schem     root sheet of the schematics (default: locate it in top-dir)
   out-dir       output directory (default: $OUTDIR)
-  -n            don't use previous cache content (rebuild the cache)
   -c cache-dir  cache directory (default: same as out-dir)
+  -n            don't use previous cache content (rebuild the cache)
+  -S            sanitize KiCad profile
 EOF
     exit 1
 }
 
 
 no_cache=false
+sanitize=
+
 while true; do
     case "$1" in
     -n)	no_cache=true
@@ -63,6 +66,8 @@ while true; do
     -c)	[ -z "$1" ] && usage
 	cache="$1"
 	shift 2;;
+    -S)	sanitize=-S
+	shift;;
     -*) usage;;
     *)	break;;
     esac
@@ -136,7 +141,7 @@ for n in $first `cd "$dir" && git rev-list --reverse $first..HEAD`; do
     if [ ! -d "$cache/ppm_$n" ]; then
 	rm -rf "$cache/ppm_$n"
 	mkdir "$cache/ppm_$n"
-	gitsch2ppm -k "$dir" "$schname" $n "$cache/ppm_$n" || exit
+	gitsch2ppm $sanitize -k "$dir" "$schname" $n "$cache/ppm_$n" || exit
 	gitsch2ppm -c -w 500 "$dir" "$schname" $n "$cache/fat_$n" || exit
     fi
     for m in "$cache/ppm_$n/"*; do