diff --git a/src/audio/buffer.c b/src/audio/buffer.c
index dcca8fa17..5cb439c18 100644
--- a/src/audio/buffer.c
+++ b/src/audio/buffer.c
@@ -38,7 +38,7 @@ struct comp_buffer *buffer_alloc(uint32_t size, uint32_t caps, uint32_t align)
 	}
 
 	/* allocate new buffer */
-	buffer = rzalloc(SOF_MEM_ZONE_RUNTIME, 0, SOF_MEM_CAPS_RAM,
+	buffer = rzalloc(SOF_MEM_ZONE_RUNTIME_SHARED, 0, SOF_MEM_CAPS_RAM,
 			 sizeof(*buffer));
 	if (!buffer) {
 		tr_err(&buffer_tr, "buffer_alloc(): could not alloc structure");