diff --git a/ttmkfdir-3.0.9-segfaults.patch b/ttmkfdir-3.0.9-segfaults.patch
new file mode 100644
index 0000000..321061b
--- /dev/null
+++ b/ttmkfdir-3.0.9-segfaults.patch
@@ -0,0 +1,13 @@
+--- ttmkfdir-3.0.9/directory.cpp.back	2005-10-08 14:25:37.839328408 +0800
++++ ttmkfdir-3.0.9/directory.cpp	2005-10-08 14:26:00.021956136 +0800
+@@ -13,6 +13,10 @@
+ directory::scan (const std::string &dir)
+ {
+     DIR *ttfdir = opendir(dir.c_str ());
++    if (!ttfdir) {
++        printf("%s is not exist!\n", dir.c_str ());
++        exit(-1);
++    }
+ 
+     this->clear ();
+     dirpath = dir;
diff --git a/ttmkfdir.spec b/ttmkfdir.spec
index adf72f3..6a67942 100644
--- a/ttmkfdir.spec
+++ b/ttmkfdir.spec
@@ -1,7 +1,7 @@
 Summary: Utility to create fonts.scale files for truetype fonts
 Name: ttmkfdir
 Version: 3.0.9
-Release: 17
+Release: 18
 Source0: %{name}-%{version}.tar.bz2
 Patch: ttmkfdir-3.0.9-cpp.patch
 Patch1: ttmkfdir-3.0.9-zlib.patch
@@ -9,6 +9,7 @@ Patch2: ttmkfdir-3.0.9-fix-freetype217.patch
 Patch3: ttmkfdir-3.0.9-namespace.patch
 Patch4: ttmkfdir-3.0.9-fix-crash.patch
 Patch5: ttmkfdir-3.0.9-warnings.patch
+Patch6: ttmkfdir-3.0.9-segfaults.patch
 License: GPL
 Group: Applications/System
 BuildRoot: %{_tmppath}/%{name}-root
@@ -49,6 +50,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_bindir}/ttmkfdir
 
 %changelog
+* Sat Oct 8 2005 LingNing Zhang <lizhang@redhat.com> -3.0.9-18
+- add ttmkfdir-3.0.9-segfaults.patch to fix bug #164969
+
 * Wed Aug  3 2005 Jens Petersen <petersen@redhat.com> - 3.0.9-17
 - replace ttmkfdir-3.0.9-defautl_enc_size.patch and
   ttmkfdir-3.0.9-crashplus.patch with ttmkfdir-3.0.9-fix-crash.patch