diff --git a/src/ex_cmds.h b/src/ex_cmds.h
index 75bb7fb..30f5221 100644
--- a/src/ex_cmds.h
+++ b/src/ex_cmds.h
@@ -1365,7 +1365,7 @@
 	EX_NEEDARG|EX_EXTRA|EX_BANG|EX_NOTRLCOM|EX_SBOXOK|EX_CMDWIN|EX_LOCK_OK,
 	ADDR_NONE),
 EXCMD(CMD_sleep,	"sleep",	ex_sleep,
-	EX_RANGE|EX_COUNT|EX_EXTRA|EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK,
+	EX_BANG|EX_RANGE|EX_COUNT|EX_EXTRA|EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK,
 	ADDR_OTHER),
 EXCMD(CMD_slast,	"slast",	ex_last,
 	EX_EXTRA|EX_BANG|EX_CMDARG|EX_ARGOPT|EX_TRLBAR,