diff --git a/configure.ac b/configure.ac
index 3ed4549a8..9d5457f03 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,9 +2,9 @@ dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N)
 AC_PREREQ([2.60])
 define(_CLIENT_VERSION_MAJOR, 0)
 define(_CLIENT_VERSION_MINOR, 9)
-define(_CLIENT_VERSION_REVISION, 0)
+define(_CLIENT_VERSION_REVISION, 99)
 define(_CLIENT_VERSION_BUILD, 0)
-define(_CLIENT_VERSION_IS_RELEASE, true)
+define(_CLIENT_VERSION_IS_RELEASE, false)
 define(_COPYRIGHT_YEAR, 2014)
 AC_INIT([Bitcoin Core],[_CLIENT_VERSION_MAJOR._CLIENT_VERSION_MINOR._CLIENT_VERSION_REVISION],[info@bitcoin.org],[bitcoin])
 AC_CONFIG_AUX_DIR([src/build-aux])
diff --git a/src/clientversion.h b/src/clientversion.h
index 3c69e028b..8d0f89c71 100644
--- a/src/clientversion.h
+++ b/src/clientversion.h
@@ -12,10 +12,10 @@
 #define CLIENT_VERSION_MAJOR       0
 #define CLIENT_VERSION_MINOR       9
 #define CLIENT_VERSION_REVISION    0
-#define CLIENT_VERSION_BUILD       0
+#define CLIENT_VERSION_BUILD       99
 
 // Set to true for release, false for prerelease or test build
-#define CLIENT_VERSION_IS_RELEASE  true
+#define CLIENT_VERSION_IS_RELEASE  false
 
 // Copyright year (2009-this)
 // Todo: update this when changing our copyright comments in the source