diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 6b2cdb3..37e46fc 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -3603,6 +3603,7 @@
 	case CMD_sandbox:
 	case CMD_silent:
 	case CMD_tab:
+	case CMD_tabdo:
 	case CMD_topleft:
 	case CMD_verbose:
 	case CMD_vertical: