diff --git a/configure.ac b/configure.ac
index 9da7057852..d7a8fc7007 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 dnl Process with autoconf to generate configure script   -*- sh -*-
 
-AC_INIT(LyX,1.5.0rc1,[lyx-devel@lists.lyx.org],[lyx])
+AC_INIT(LyX,1.5.0svn,[lyx-devel@lists.lyx.org],[lyx])
 AC_SUBST(LYX_DATE, ["Thu, May 31, 2007"])
 AC_PREREQ(2.52)
 AC_CONFIG_SRCDIR(src/main.cpp)