--- configure
+++ configure
@@ -6455,7 +6455,7 @@
     no_lua="yes"
   ;;
   *)
-    CPPFLAGS="-I$with_liblua/include $CPPFLAGS"
+    CPPFLAGS="-I$with_liblua/include/lua $CPPFLAGS"
     LDFLAGS="-L$with_liblua/lib $LDFLAGS"
   ;;
   esac
@@ -6638,7 +6638,7 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_lua_lua_call" >&5
 $as_echo "$ac_cv_lib_lua_lua_call" >&6; }
 if test "x$ac_cv_lib_lua_lua_call" = x""yes; then :
-  have_lua=yes; LIBLUA_LIBS="-llua"; CPPFLAGS="-I/usr/include/lua $CPPFLAGS"; break
+  have_lua=yes; LIBLUA_LIBS="-llua"; break
 fi
 
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for lua_call in -llua5.1" >&5
@@ -6678,7 +6678,7 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_lua5_1_lua_call" >&5
 $as_echo "$ac_cv_lib_lua5_1_lua_call" >&6; }
 if test "x$ac_cv_lib_lua5_1_lua_call" = x""yes; then :
-  have_lua=yes; LIBLUA_LIBS="-llua5.1"; CPPFLAGS="-I/usr/include/lua5.1 $CPPFLAGS"; break
+  have_lua=yes; LIBLUA_LIBS="-llua5.1"; break
 fi