diff --git a/configure.in b/configure.in
index d874ca41..ae628f50 100644
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,7 @@
 dnl configure.in for Fluxbox  - created from configure.in Blackbox 0.61.1
 dnl Initialize autoconf and automake
 AC_INIT(src/main.cc)
+AC_PREREQ(2.52)
 AM_INIT_AUTOMAKE(fluxbox,0.1.13-cvs,no-define)
 
 dnl Determine default prefix