diff -dur asterisk-15.4.1.orig/configure.ac asterisk-15.4.1/configure.ac
--- asterisk-15.4.1.orig/configure.ac	2018-06-11 23:21:37.000000000 +0200
+++ asterisk-15.4.1/configure.ac	2018-06-12 10:34:15.000000000 +0200
@@ -2388,7 +2388,7 @@
 fi
 AST_EXT_LIB_CHECK([OPUSFILE], [opusfile], [op_open_callbacks], [opus/opusfile.h], [], [$__opus_include])
 
-for ver in 5.3 5.2 5.1; do
+for ver in 53 52 51 5.3 5.2 5.1; do
 	AST_EXT_LIB_CHECK([LUA], lua${ver}, [luaL_newstate], lua${ver}/lua.h, [-lm])
 	if test "x${PBX_LUA}" = "x1" ; then
 		if test x"${LUA_DIR}" = x; then