diff --git a/src/include/sof/drivers/dw-dma.h b/src/include/sof/drivers/dw-dma.h
index db0418eac..92205e907 100644
--- a/src/include/sof/drivers/dw-dma.h
+++ b/src/include/sof/drivers/dw-dma.h
@@ -137,8 +137,8 @@
 #define trace_dwdma_error(__e, ...) \
 	trace_error(TRACE_CLASS_DMA, __e, ##__VA_ARGS__)
 
-#define DW_DMA_BUFFER_ALIGNMENT 0x20
-#define DW_DMA_COPY_ALIGNMENT	0x20
+#define DW_DMA_BUFFER_ALIGNMENT 0x4
+#define DW_DMA_COPY_ALIGNMENT	0x4
 
 /* TODO: add FIFO sizes */
 struct dw_chan_data {