diff --git a/tools/topology/topology2/include/pipelines/cavs/dai-copier-gain-mixin-capture.conf b/tools/topology/topology2/include/pipelines/cavs/dai-copier-gain-mixin-capture.conf
index cb08228fbd94..02a6315adb0d 100644
--- a/tools/topology/topology2/include/pipelines/cavs/dai-copier-gain-mixin-capture.conf
+++ b/tools/topology/topology2/include/pipelines/cavs/dai-copier-gain-mixin-capture.conf
@@ -68,6 +68,7 @@ Class.Pipeline."dai-copier-gain-mixin-capture" {
 
 		mixin."1" {}
 		gain."1" {
+			num_audio_formats 1
 			# 32-bit 48KHz 2ch
 			Object.Base.audio_format.1 {
 				in_bit_depth		32
diff --git a/tools/topology/topology2/include/pipelines/cavs/host-copier-gain-mixin-playback.conf b/tools/topology/topology2/include/pipelines/cavs/host-copier-gain-mixin-playback.conf
index c794bf570012..0bd8e86f3cd6 100644
--- a/tools/topology/topology2/include/pipelines/cavs/host-copier-gain-mixin-playback.conf
+++ b/tools/topology/topology2/include/pipelines/cavs/host-copier-gain-mixin-playback.conf
@@ -80,6 +80,7 @@ Class.Pipeline."host-copier-gain-mixin-playback" {
 		}
 
 		gain."1" {
+			num_audio_formats 1
 			# 32-bit 48KHz 2ch
 			Object.Base.audio_format.1 {
 				in_bit_depth		32