diff -Nru graphviz-2.26.3/debian/changelog graphviz-2.26.3/debian/changelog
--- graphviz-2.26.3/debian/changelog	2014-04-20 14:17:40.000000000 +0000
+++ graphviz-2.26.3/debian/changelog	2014-05-23 14:26:24.000000000 +0000
@@ -1,3 +1,9 @@
+graphviz (2.26.3-17+cfg) unreleased; urgency=low
+
+  * Correct typo in rules so config.{sub,guess} is actually updated.
+
+ -- Wookey <wookey@debian.org>  Fri, 23 May 2014 14:25:42 +0000
+
 graphviz (2.26.3-17) unstable; urgency=medium
 
   * QA upload.
diff -Nru graphviz-2.26.3/debian/rules graphviz-2.26.3/debian/rules
--- graphviz-2.26.3/debian/rules	2014-02-12 02:45:51.000000000 +0000
+++ graphviz-2.26.3/debian/rules	2014-05-23 14:24:42.000000000 +0000
@@ -35,8 +35,8 @@
 
 RUBY_PACKAGE      = $(CURDIR)/debian/libgv-ruby
 
-CONFIG_SCRIPTS=config/config.guess lib/gd/config/config.guess libltdl/config.guess \
-	       config/config.sub   lib/gd/config/config.sub   libltdl/config.sub
+CONFIG_SCRIPTS=config/config.guess lib/gd/config/config.guess libltdl/config/config.guess \
+	       config/config.sub   lib/gd/config/config.sub   libltdl/config/config.sub
 
 # make's $(shell) doesn't use local variables, thus we need to define a
 # custom command where DEB_LDFLAGS_MAINT_APPEND is passed.