diff --git a/src/ex_cmds.h b/src/ex_cmds.h
index 1974088..86bcead 100644
--- a/src/ex_cmds.h
+++ b/src/ex_cmds.h
@@ -926,7 +926,7 @@
 EX(CMD_syntax,		"syntax",	ex_syntax,
 			EXTRA|NOTRLCOM|CMDWIN),
 EX(CMD_syntime,		"syntime",	ex_syntime,
-			WORD1|TRLBAR|CMDWIN),
+			NEEDARG|WORD1|TRLBAR|CMDWIN),
 EX(CMD_syncbind,	"syncbind",	ex_syncbind,
 			TRLBAR),
 EX(CMD_t,		"t",		ex_copymove,