diff --git a/src/vim9script.c b/src/vim9script.c
index 751d8fb..0994e51 100644
--- a/src/vim9script.c
+++ b/src/vim9script.c
@@ -92,10 +92,16 @@
     if (in_vim9script())
 	switch (eap->cmdidx)
 	{
+	    case CMD_k:
+		if (eap->addr_count > 0)
+		{
+		    emsg(_(e_norange));
+		    return FAIL;
+		}
+		// FALLTHROUGH
 	    case CMD_append:
 	    case CMD_change:
 	    case CMD_insert:
-	    case CMD_k:
 	    case CMD_t:
 	    case CMD_xit:
 		semsg(_(e_command_not_supported_in_vim9_script_missing_var_str), eap->cmd);