diff --git a/tools/topology/topology2/cavs/platform/intel/dmic-generic.conf b/tools/topology/topology2/cavs/platform/intel/dmic-generic.conf
index 1aca8e4ef..7148f8da1 100644
--- a/tools/topology/topology2/cavs/platform/intel/dmic-generic.conf
+++ b/tools/topology/topology2/cavs/platform/intel/dmic-generic.conf
@@ -71,6 +71,9 @@ Object.Pipeline {
 			type		dai_out
 			stream_name	"dmic01"
 			node_type $DMIC_LINK_INPUT_CLASS
+			Object.Base.audio_format.1 {
+				dma_buffer_size "$[$ibs * 2]"
+			}
 		}
 	}
 }