diff --git a/library/axi_ad9361/altera/axi_ad9361_lvds_if.v b/library/axi_ad9361/altera/axi_ad9361_lvds_if.v
index b8381f3e0..cc4cba7e2 100644
--- a/library/axi_ad9361/altera/axi_ad9361_lvds_if.v
+++ b/library/axi_ad9361/altera/axi_ad9361_lvds_if.v
@@ -171,8 +171,8 @@ module axi_ad9361_lvds_if #(
 
   // local parameters
 
-  localparam CYCLONE5 = 'h10;
-  localparam ARRIA10  = 'h12;
+  localparam CYCLONE5 = 101;
+  localparam ARRIA10  = 103;
 
   // unused interface signals