diff --git a/ketchup/.md5sum b/ketchup/.md5sum
index f96a95c55..26af2c884 100644
--- a/ketchup/.md5sum
+++ b/ketchup/.md5sum
@@ -1 +1,2 @@
 6fbc5e50eea7e93e982aba036ae9b3ad  ketchup-0.9.7.tar.bz2
+585b99a08fdb1d695add96749473761b  ketchup.patch
diff --git a/ketchup/Pkgfile b/ketchup/Pkgfile
index 698b1f22f..0228aa43c 100644
--- a/ketchup/Pkgfile
+++ b/ketchup/Pkgfile
@@ -6,10 +6,12 @@
 
 name=ketchup
 version=0.9.7
-release=1
-source=(http://www.selenic.com/$name/$name-$version.tar.bz2)
+release=2
+source=(http://www.selenic.com/$name/$name-$version.tar.bz2 \
+        $name.patch)
 
 build() {
+    patch < $SRC/$name.patch
     install -D -m 0755 $name $PKG/usr/bin/$name
     install -D -m 0644 $name.1 $PKG/usr/man/man1/$name.1
 }
diff --git a/ketchup/ketchup.patch b/ketchup/ketchup.patch
new file mode 100644
index 000000000..5e7fa87fe
--- /dev/null
+++ b/ketchup/ketchup.patch
@@ -0,0 +1,12 @@
+diff -Nru ketchup-orig/ketchup ketchup/ketchup
+--- ketchup-orig/ketchup	2006-04-24 19:35:28.000000000 +0300
++++ ketchup/ketchup	2006-05-01 04:18:20.000000000 +0300
+@@ -728,7 +728,7 @@
+ except:
+     a = None
+ 
+-if os.listdir("."):
++if not a and os.listdir("."):
+     error("Can't find kernel version for non-empty directory")
+     sys.exit(-1)
+