diff --git a/memtest86+-4.00-fix-asciimap.patch b/memtest86+-4.00-fix-asciimap.patch
new file mode 100644
index 0000000..b90fa6a
--- /dev/null
+++ b/memtest86+-4.00-fix-asciimap.patch
@@ -0,0 +1,12 @@
+diff --git a/spd.c b/spd.c
+index 0cdfe1e..b99dd90 100644
+--- a/spd.c
++++ b/spd.c
+@@ -481,6 +481,7 @@ struct ascii_map amap[] = {
+ { 0x34, "4"},
+ { 0x35, "5"},
+ { 0x36, "6"},
++{ 0x37, "7"},
+ { 0x38, "8"},
+ { 0x39, "9"},
+ { 0x3A, ":"},
diff --git a/memtest86+.spec b/memtest86+.spec
index 3d439fb..3d7025f 100644
--- a/memtest86+.spec
+++ b/memtest86+.spec
@@ -7,13 +7,14 @@
 
 Name:     memtest86+
 Version:  4.00
-Release:  3%{?dist}
+Release:  4%{?dist}
 License:  GPLv2
 Summary:  Stand-alone memory tester for x86 and x86-64 computers
 Group:    System Environment/Base
 Source0:  http://www.memtest.org/download/%{version}/%{name}-%{version}.tar.gz
 Source1:  memtest-setup
 Source2:  new-memtest-pkg
+Patch0:   memtest86+-4.00-fix-asciimap.patch
 URL:      http://www.memtest.org
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 # require glibc-devel.i386 via this file:
@@ -39,6 +40,7 @@ to add the %{name} entry to your GRUB boot menu.
 %prep
 %setup -q 
 sed -i -e's,0x10000,0x100000,' memtest.lds
+%patch0 -p1 -b .fix_asciimap
 
 %build
 # Regular build flags not wanted for this binary
@@ -83,6 +85,9 @@ rm -rf %{buildroot}
 
 
 %changelog
+* Tue Mar 30 2010 Anton Arapov <anton@redhat.com> - 4.00-4
+- Fix ascii map of spd.c (#577469)
+
 * Fri Dec 25 2009 Robert Scheck <robert@fedoraproject.org> - 4.00-3
 - Removed obsolete build requirement to compat-gcc-34 (#442285)