diff --git a/lib/lua/Makefile.am b/lib/lua/Makefile.am
index 4e7f472..588fb58 100644
--- a/lib/lua/Makefile.am
+++ b/lib/lua/Makefile.am
@@ -33,26 +33,29 @@
 
 nobase_include_HEADERS = src/socket.h
 
-libluasocket_la_CPPFLAGS = $(AM_CPPFLAGS) -I/usr/include/lua5.2 -DLUA_COMPAT_MODULE
-libluasocket_la_LDFLAGS = $(AM_LDFLAGS) $(LUA_LIB) -lm
+libluasocket_la_CPPFLAGS = $(AM_CPPFLAGS) $(LUA_INCLUDE) -DLUA_COMPAT_MODULE
+libluasocket_la_LDFLAGS = $(AM_LDFLAGS)
+libluasocket_la_LIBADD = $(LUA_LIB) -lm
 
 libluabpack_la_SOURCES = src/luabpack.c
 
-libluabpack_la_CPPFLAGS = $(AM_CPPFLAGS) -I/usr/include/lua5.2 -DLUA_COMPAT_MODULE
-libluabpack_la_LDFLAGS = $(AM_LDFLAGS) $(LUA_LIB) -lm
-libluabpack_la_LIBADD = liblualongnumber.la
+libluabpack_la_CPPFLAGS = $(AM_CPPFLAGS) $(LUA_INCLUDE) -DLUA_COMPAT_MODULE
+libluabpack_la_LDFLAGS = $(AM_LDFLAGS)
+libluabpack_la_LIBADD = liblualongnumber.la $(LUA_LIB) -lm
 
 libluabitwise_la_SOURCES = src/luabitwise.c
 
-libluabitwise_la_CPPFLAGS = $(AM_CPPFLAGS) -I/usr/include/lua5.2 -DLUA_COMPAT_MODULE
-libluabitwise_la_LDFLAGS = $(AM_LDFLAGS) $(LUA_LIB) -lm
+libluabitwise_la_CPPFLAGS = $(AM_CPPFLAGS) $(LUA_INCLUDE) -DLUA_COMPAT_MODULE
+libluabitwise_la_LDFLAGS = $(AM_LDFLAGS)
+libluabitwise_la_LIBADD = $(LUA_LIB) -lm
 
 liblualongnumber_la_SOURCES = \
 		src/lualongnumber.c \
 		src/longnumberutils.c
 
-liblualongnumber_la_CPPFLAGS = $(AM_CPPFLAGS) -I/usr/include/lua5.2 -DLUA_COMPAT_MODULE
-liblualongnumber_la_LDFLAGS = $(AM_LDFLAGS) $(LUA_LIB) -lm
+liblualongnumber_la_CPPFLAGS = $(AM_CPPFLAGS) $(LUA_INCLUDE) -DLUA_COMPAT_MODULE
+liblualongnumber_la_LDFLAGS = $(AM_LDFLAGS)
+liblualongnumber_la_LIBADD = $(LUA_LIB) -lm
 
 EXTRA_DIST = \
 		coding_standards.md \