diff --git a/include/dsp/rtac.h b/include/dsp/rtac.h
index 1b4541cfa37c..7b047a34a95b 100644
--- a/include/dsp/rtac.h
+++ b/include/dsp/rtac.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * Copyright (c) 2011, 2013-2015, 2017-2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2011, 2013-2015, 2017-2019, The Linux Foundation. All rights reserved.
  */
 
 #ifndef __RTAC_H__
@@ -13,7 +13,7 @@
 #define RTAC_CVS		1
 #define RTAC_VOICE_MODES	2
 
-#define RTAC_MAX_ACTIVE_DEVICES		4
+#define RTAC_MAX_ACTIVE_DEVICES		6
 #define RTAC_MAX_ACTIVE_POPP		8
 
 #define DEFAULT_APP_TYPE	0x00011130