diff --git a/configure.ac b/configure.ac
index 1aeb149a..c15eca5c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,6 +26,8 @@ AC_PROG_INSTALL
 AC_PROG_MKDIR_P
 AC_PROG_LN_S
 
+AC_SYS_LARGEFILE
+
 LT_PREREQ(2.2)
 LT_INIT([disable-static])