diff --git a/src/update-libtom.pl b/src/update-libtom.pl
index c8e7144..3e38d3b 100755
--- a/src/update-libtom.pl
+++ b/src/update-libtom.pl
@@ -13,12 +13,26 @@
 warn "update libtommath from github (branch: $ltm_branch)..\n";
 system 'rm', '-rf', bsd_glob("$FindBin::Bin/ltm/*");
 system "rm -rf $tmpdir; mkdir $tmpdir";
-system "git clone -b $ltm_branch https://github.com/libtom/libtommath.git $tmpdir && cp -R $tmpdir/bn*.c $tmpdir/tom*.h $FindBin::Bin/ltm/ && echo ok";
+system "git clone -b $ltm_branch https://github.com/libtom/libtommath.git $tmpdir && cp $tmpdir/bn*.c $tmpdir/tom*.h $FindBin::Bin/ltm/ && echo ok";
+system "(cd $tmpdir && git log  --pretty='%h %ai %s') | head -1";
+# avoid stdint.h hack
+system "find '$FindBin::Bin/ltm/' -name '*.c' -o -name '*.h' | xargs sed -i"
+     . " -e 's/uint8_t/unsigned char/g'"
+     . " -e 's/uint16_t/unsigned short/g'"
+     . " -e 's/uint32_t/unsigned int/g'"
+     . " -e 's/uint64_t/unsigned long long/g'"
+     . " -e 's/int8_t/char/g'"
+     . " -e 's/int16_t/short/g'"
+     . " -e 's/int32_t/int/g'"
+     . " -e 's/int64_t/long long/g'"
+     . " -e 's/# *include *<stdint.h>//'";
 
 warn "update libtomcrypt from github (branch: $ltc_branch)..\n";
 system 'rm', '-rf', bsd_glob("$FindBin::Bin/ltc/*");
 system "rm -rf $tmpdir; mkdir $tmpdir";
 system "git clone -b $ltc_branch https://github.com/libtom/libtomcrypt.git $tmpdir && cp -R $tmpdir/src/* $FindBin::Bin/ltc/ && echo ok";
+system "(cd $tmpdir && git log  --pretty='%h %ai %s') | head -1";
+
 system "rm -rf $tmpdir";
 
 ### another style
@@ -55,7 +69,7 @@
 #fix modes
 warn "gonna chmod..\n";
 find({ wanted=>sub { system "chmod -x $_" if -f $_ && -x $_ && $_ =~ /\.(c|h)/ }, no_chdir=>1 }, "$FindBin::Bin/ltm", "$FindBin::Bin/ltc");
- 
+
 my @objs = ();
 find({ wanted=>sub { push @objs, $_ if $_ =~ /\.c$/ && $_ !~ /tab\.c$/}, no_chdir=>1 }, "$FindBin::Bin/ltc");
 find({ wanted=>sub { push @objs, $_ if $_ =~ /\.c$/ }, no_chdir=>1 }, "$FindBin::Bin/ltm");