diff --git a/library/axi_ad6676/axi_ad6676.v b/library/axi_ad6676/axi_ad6676.v
index 7fe0ff23f..86896e7bd 100644
--- a/library/axi_ad6676/axi_ad6676.v
+++ b/library/axi_ad6676/axi_ad6676.v
@@ -102,7 +102,7 @@ module axi_ad6676 #(
     .CONVERTER_RESOLUTION (16),
     .BITS_PER_SAMPLE (16),
     .OCTETS_PER_BEAT (4),
-    .TWOS_COMPLEMENT (0)
+    .TWOS_COMPLEMENT (1)
   ) i_adc_jesd204 (
     .link_clk (rx_clk),