1 files changed, 2 insertions, 2 deletions
diff --git a/src/rtl/keywrap_core.v b/src/rtl/keywrap_core.v
index 1e8ac5b..8d8f101 100644
--- a/src/rtl/keywrap_core.v
+++ b/src/rtl/keywrap_core.v
@@ -280,7 +280,7 @@ module keywrap_core (
 
       if (block_ctr_set)
         begin
-          block_ctr_new = (rlen - 1);
+          block_ctr_new = (rlen - 1'h1);
           block_ctr_we  = 1'h1;
         end
 
@@ -458,7 +458,7 @@ module keywrap_core (
 
         CTRL_NEXT_WCHECK:
           begin
-            if (block_ctr_reg < (rlen - 1))
+            if (block_ctr_reg < (rlen - 1'h1))
               begin
                 block_ctr_inc         = 1'h1;
                 keywrap_core_ctrl_new = CTRL_NEXT_LOOP0;