diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index b9a9da3..499ff16 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -248,6 +248,11 @@
 # define ex_rundo		ex_ni
 # define ex_wundo		ex_ni
 #endif
+#ifndef FEAT_LUA
+# define ex_lua			ex_script_ni
+# define ex_luado		ex_ni
+# define ex_luafile		ex_ni
+#endif
 #ifndef FEAT_MZSCHEME
 # define ex_mzscheme		ex_script_ni
 # define ex_mzfile		ex_ni
@@ -2543,6 +2548,7 @@
 	    case CMD_leftabove:
 	    case CMD_let:
 	    case CMD_lockmarks:
+	    case CMD_lua:
 	    case CMD_match:
 	    case CMD_mzscheme:
 	    case CMD_perl: