diff --git a/library/util_adcfifo/util_adcfifo_hw.tcl b/library/util_adcfifo/util_adcfifo_hw.tcl
index 23c4c7d26..14c6424bf 100644
--- a/library/util_adcfifo/util_adcfifo_hw.tcl
+++ b/library/util_adcfifo/util_adcfifo_hw.tcl
@@ -52,10 +52,15 @@ proc p_util_adcfifo {} {
   ad_alt_intf signal adc_wovf output 1 ovf
 
   ad_alt_intf clock dma_clk input 1 clk
-  ad_alt_intf signal dma_wr output 1 valid
-  ad_alt_intf signal dma_wdata output DMA_DATA_WIDTH data
-  ad_alt_intf signal dma_wready input 1 ready
   ad_alt_intf signal dma_xfer_req input 1 xfer_req
   ad_alt_intf signal dma_xfer_status output 4 xfer_status
+
+  add_interface m_axis axi4stream start
+  set_interface_property m_axis associatedClock if_dma_clk
+  set_interface_property m_axis associatedReset if_adc_rst
+  add_interface_port m_axis  dma_wr tvalid Output 1
+  add_interface_port m_axis  dma_wready tready Input  1
+  add_interface_port m_axis  dma_wdata tdata  Output DMA_DATA_WIDTH
+
 }
 
diff --git a/library/util_dacfifo/util_dacfifo_hw.tcl b/library/util_dacfifo/util_dacfifo_hw.tcl
index 3b481713d..dabca9b8c 100644
--- a/library/util_dacfifo/util_dacfifo_hw.tcl
+++ b/library/util_dacfifo/util_dacfifo_hw.tcl
@@ -23,11 +23,15 @@ ad_ip_parameter DATA_WIDTH INTEGER 128
 
 ad_alt_intf clock dma_clk input 1 clk
 ad_alt_intf reset dma_rst input 1 if_dma_clk
-ad_alt_intf signal dma_valid input 1 valid
-ad_alt_intf signal dma_data input DATA_WIDTH data
-ad_alt_intf signal dma_ready output 1 ready
 ad_alt_intf signal dma_xfer_req input 1 xfer_req
-ad_alt_intf signal dma_xfer_last input 1 last
+
+add_interface s_axis axi4stream end
+set_interface_property s_axis associatedClock if_dma_clk
+set_interface_property s_axis associatedReset if_dma_rst
+add_interface_port  s_axis  dma_valid      tvalid  Input   1
+add_interface_port  s_axis  dma_xfer_last  tlast   Input   1
+add_interface_port  s_axis  dma_ready      tready  Output  1
+add_interface_port  s_axis  dma_data       tdata   Input   DATA_WIDTH
 
 ad_alt_intf clock dac_clk input 1
 ad_alt_intf reset dac_rst input 1 if_dac_clk