diff --git a/src/vim9compile.c b/src/vim9compile.c
index 9dbd119..0bf47e2 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -3138,6 +3138,10 @@
 			line = compile_script(line, &cctx);
 		    break;
 
+	    case CMD_vim9script:
+		    emsg(_(e_vim9script_can_only_be_used_in_script));
+		    goto erret;
+
 	    case CMD_global:
 		    if (check_global_and_subst(ea.cmd, p) == FAIL)
 			goto erret;