diff --git a/CHANGES b/CHANGES
index bb4d532..2ecda4a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+0.1.27   (2015-03-10)
+    - bugfix: some ipv6 prefixes were not parsed correctly since 0.1.26.
+    Thanks to Job Snijders.
+
 0.1.26   (2015-02-19)
     - RPSL <address-prefix-range> support, can be found in rs-esnetcustomers.
     Thanks to Kris O'Connell for reporting.
diff --git a/bgpq3_printer.c b/bgpq3_printer.c
index d25e9bb..a4b7621 100644
--- a/bgpq3_printer.c
+++ b/bgpq3_printer.c
@@ -543,8 +543,9 @@ bgpq3_print_cisco_prefixlist(FILE* f, struct bgpq_expander* b)
 		sx_radix_tree_foreach(b->tree,bgpq3_print_cprefix,f);
 	} else {
 		fprintf(f, "! generated prefix-list %s is empty\n", bname);
-		fprintf(f, "%s prefix-list %s deny 0.0.0.0/0\n",
-			(b->family==AF_INET) ? "ip" : "ipv6", bname);
+		fprintf(f, "%s prefix-list %s deny %s\n",
+			(b->family==AF_INET) ? "ip" : "ipv6", bname,
+			(b->family==AF_INET) ? "0.0.0.0/0" : "::/0");
 	};
 	return 0;
 };
diff --git a/configure b/configure
index b7befe3..ff71282 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for bgpq3 0.1.26.
+# Generated by GNU Autoconf 2.69 for bgpq3 0.1.27.
 #
 # Report bugs to <snar@snar.spb.ru>.
 #
@@ -579,8 +579,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='bgpq3'
 PACKAGE_TARNAME='bgpq3'
-PACKAGE_VERSION='0.1.26'
-PACKAGE_STRING='bgpq3 0.1.26'
+PACKAGE_VERSION='0.1.27'
+PACKAGE_STRING='bgpq3 0.1.27'
 PACKAGE_BUGREPORT='snar@snar.spb.ru'
 PACKAGE_URL=''
 
@@ -1187,7 +1187,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures bgpq3 0.1.26 to adapt to many kinds of systems.
+\`configure' configures bgpq3 0.1.27 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1248,7 +1248,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of bgpq3 0.1.26:";;
+     short | recursive ) echo "Configuration of bgpq3 0.1.27:";;
    esac
   cat <<\_ACEOF
 
@@ -1327,7 +1327,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-bgpq3 configure 0.1.26
+bgpq3 configure 0.1.27
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1495,7 +1495,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by bgpq3 $as_me 0.1.26, which was
+It was created by bgpq3 $as_me 0.1.27, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -3413,7 +3413,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by bgpq3 $as_me 0.1.26, which was
+This file was extended by bgpq3 $as_me 0.1.27, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -3475,7 +3475,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-bgpq3 config.status 0.1.26
+bgpq3 config.status 0.1.27
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.in b/configure.in
index 2baba9a..efc7eca 100644
--- a/configure.in
+++ b/configure.in
@@ -1,4 +1,4 @@
-AC_INIT(bgpq3,0.1.26,snar@snar.spb.ru)
+AC_INIT(bgpq3,0.1.27,snar@snar.spb.ru)
 AC_CONFIG_HEADER(config.h)
 AC_PROG_CC
 AC_PROG_INSTALL
diff --git a/sx_prefix.c b/sx_prefix.c
index df8bf43..910c779 100644
--- a/sx_prefix.c
+++ b/sx_prefix.c
@@ -51,8 +51,8 @@ int
 sx_prefix_parse(struct sx_prefix* p, int af, char* text)
 {
 	char* c=NULL;
-	int masklen;
-	char mtext[strlen(text)+1];
+	int masklen, ret;
+	char mtext[INET6_ADDRSTRLEN+1];
 	strlcpy(mtext, text, sizeof(mtext));
 
 	c=strchr(mtext,'/');
@@ -70,17 +70,18 @@ sx_prefix_parse(struct sx_prefix* p, int af, char* text)
 	};
 
 	if(!af) {
-		if(strchr(text,':')) af=AF_INET6;
+		if(strchr(mtext,':')) af=AF_INET6;
 		else
 			af=AF_INET;
 	};
 
-	if(inet_pton(af,text,&p->addr)!=1) {
+	ret = inet_pton(af, mtext, &p->addr);
+	if(ret != 1) {
 		int aparts[4];
 		/* contrary to documentation (man inet_ntop on FreeBSD),
 		addresses with leading zeros are not parsed correctly. Try to
 		workaround this issue manually */
-		if (af==AF_INET && sscanf(text, "%i.%i.%i.%i", aparts,
+		if (af==AF_INET && sscanf(mtext, "%i.%i.%i.%i", aparts,
 			aparts+1, aparts+2, aparts+3) == 4 && aparts[0]>=0 &&
 			aparts[0]<256 && aparts[1]>=0 && aparts[1]<256 &&
 			aparts[2]>=0 && aparts[2]<256 && aparts[3]>=0 &&
@@ -89,7 +90,8 @@ sx_prefix_parse(struct sx_prefix* p, int af, char* text)
 				(aparts[1]<<16) + (aparts[2]<<8) + aparts[3]);
 		} else {
 			if(c) *c='/';
-			sx_report(SX_ERROR,"Unable to parse prefix %s, af=%i\n",text,af);
+			sx_report(SX_ERROR,"Unable to parse prefix '%s', af=%i (%s), "
+				"ret=%i\n", mtext, af, af==AF_INET ? "inet" : "inet6", ret);
 			goto fixups;
 		};
 	};