diff --git a/configure.ac b/configure.ac
index 217d8a55..c79efdf7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -113,8 +113,9 @@ AC_DEFINE_UNQUOTED([AWESOME_LUA_LIB_PATH], "${awesomelibdir}", [awesome lib path
 AC_PATH_XTRA
 PKG_CHECK_MODULES([pangocairo], [pangocairo],,
    [AC_MSG_ERROR([awesome requires pangocairo.])])
-PKG_CHECK_MODULES([Lua], [lua5.1],,
-   [AC_MSG_ERROR([awesome requires Lua >= 5.1.])])
+PKG_CHECK_MODULES([Lua], [lua >= 5.1],,
+   [PKG_CHECK_MODULES([Lua], [lua5.1],,
+                      [AC_MSG_ERROR([awesome requires Lua >= 5.1.])])])
 PKG_CHECK_MODULES([glib], [glib-2.0],,
    [AC_MSG_ERROR([awesome requires glib-2.0.])])
 PKG_CHECK_MODULES([dbus], [dbus-1],,
diff --git a/lua.h b/lua.h
index fb4f2c06..48f4156b 100644
--- a/lua.h
+++ b/lua.h
@@ -22,8 +22,8 @@
 #ifndef AWESOME_LUA_H
 #define AWESOME_LUA_H
 
-#include <lua5.1/lua.h>
-#include <lua5.1/lauxlib.h>
+#include <lua.h>
+#include <lauxlib.h>
 
 #include "common/util.h"