diff --git a/ChangeLog b/ChangeLog
index 3a51452..109d934 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,5 @@
 UNRELEAESD  David Schweikert  <david@schweikert.ch>
-  * Version 3.3rc1
+  * Version 3.3-rc1
   * Do not output icmp errors with -q (#1)
   * Add --enable-ipv4 and --enable-ipv6 options to configure (Niclas Zeising)
   * Fix removing of unreachable hosts when doing loop (Thomas Liske, #13 #23)
diff --git a/configure.ac b/configure.ac
index aea990d..38e94ef 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ dnl Process this file with autoconf to produce a configure script.
 dnl Minimum Autoconf version required.
 AC_PREREQ(2.59)
 
-AC_INIT([fping],[3.3rc1])
+AC_INIT([fping],[3.3-rc1])
 
 dnl make ipv4 and ipv6 options
 AC_ARG_ENABLE([ipv4],