diff --git a/library/altera/common/ad_serdes_in.v b/library/altera/common/ad_serdes_in.v
index 9b147d698..4a99de8ff 100644
--- a/library/altera/common/ad_serdes_in.v
+++ b/library/altera/common/ad_serdes_in.v
@@ -127,7 +127,7 @@ module __ad_serdes_in__ #(
   generate
   for (i = 0; i < SERDES_FACTOR; i = i + 1) begin: g_samples
     for (n = 0; n < DATA_WIDTH; n = n + 1) begin: g_swap
-      assign data_samples_s[i][n] = data_out_s[n][((SERDES_FACTOR-1)-i)];
+      assign data_samples_s[i][n] = data_out_s[n][i];
     end
   end
   endgenerate