diff --git a/configure.ac b/configure.ac
index db36d5e..d0d8183 100755
--- a/configure.ac
+++ b/configure.ac
@@ -8,7 +8,7 @@
 ## $Id$
 AC_PREREQ(2.53)
 
-AC_INIT(Quagga, 0.99.12, [http://bugzilla.quagga.net])
+AC_INIT(Quagga, 0.99.13, [http://bugzilla.quagga.net])
 AC_CONFIG_SRCDIR(lib/zebra.h)
 
 dnl -----------------------------------
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 4e0ca66..c3016b2 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -15,7 +15,7 @@
 SUFFIXES = .png .eps .dia .pdf
 DIATOPNG = dia -t png -e
 DIATOEPS = dia -t eps -e
-PNGTOEPS = convert -dither -antialias -contrast -despeckle
+PNGTOEPS = convert -antialias -contrast -despeckle
 PNGTOPDF = $(PNGTOEPS)
 EPSTOPDF = epstopdf