diff --git a/configure.ac b/configure.ac
index f561dd8dfb8..fa4fb27d679 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,7 @@ dnl See ChangeLog file for detailed change history.
 
 m4_define(WINE_VERSION,regexp(m4_include(VERSION),[version \([-.0-9A-Za-z]+\)],[\1]))
 
-AC_PREREQ(2.53)
+AC_PREREQ(2.53b)
 AC_INIT([Wine],WINE_VERSION,[wine-devel@winehq.org])
 AC_CONFIG_SRCDIR(server/atom.c)
 AC_CONFIG_HEADERS(include/config.h)