diff --git a/configure.ac b/configure.ac
index 9a439346..9af8273e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -121,6 +121,9 @@ AC_CHECK_FUNCS([getcwd gettimeofday memmove memset mkdir realpath regcomp \
 								rmdir setenv setlocale sqrt strcasecmp strchr strdup strerror \
 								strndup strrchr strstr strverscmp uname mtrace geteuid])
 
+# Enable large file support if available
+AC_SYS_LARGEFILE
+
 # Host-dependant flags
 case "${host}" in
 	*-*-cygwin*)