diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 07c0816abbf..6631be8eeb4 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -3031,7 +3031,7 @@ ATPrepCmd(List **wqueue, Relation rel, AlterTableCmd *cmd,
 			pass = AT_PASS_DROP;
 			break;
 		case AT_AddIndex:		/* ADD INDEX */
-			ATSimplePermissions(rel, ATT_TABLE | ATT_MATVIEW);
+			ATSimplePermissions(rel, ATT_TABLE);
 			/* This command never recurses */
 			/* No command-specific prep needed */
 			pass = AT_PASS_ADD_INDEX;