diff --git a/library/axi_dmac/axi_register_slice.v b/library/axi_dmac/axi_register_slice.v
index 9543ceef5..d685b8db6 100644
--- a/library/axi_dmac/axi_register_slice.v
+++ b/library/axi_dmac/axi_register_slice.v
@@ -71,8 +71,8 @@ wire fwd_ready_s;
 
 generate if (FORWARD_REGISTERED == 1) begin
 
-reg fwd_valid;
-reg [DATA_WIDTH-1:0] fwd_data;
+reg fwd_valid = 1'b0;
+reg [DATA_WIDTH-1:0] fwd_data = 'h00;
 
 assign fwd_ready_s = ~fwd_valid | m_axi_ready;
 assign fwd_valid_s = fwd_valid;
@@ -103,8 +103,8 @@ endgenerate
 
 generate if (BACKWARD_REGISTERED == 1) begin
 
-reg bwd_ready;
-reg [DATA_WIDTH-1:0] bwd_data;
+reg bwd_ready = 1'b1;
+reg [DATA_WIDTH-1:0] bwd_data = 'h00;
 
 assign bwd_valid_s = ~bwd_ready | s_axi_valid;
 assign bwd_data_s = bwd_ready ? s_axi_data : bwd_data;