diff --git a/xilinx-mult.vhdl b/xilinx-mult.vhdl
index 26ba5d7..b78e950 100644
--- a/xilinx-mult.vhdl
+++ b/xilinx-mult.vhdl
@@ -960,7 +960,7 @@ begin
             CEALUMODE => valid_1,
             CEB1 => '0',
             CEB2 => valid_1,
-            CEC => valid_1,
+            CEC => '0',
             CECARRYIN => '0',
             CECTRL => '0',
             CED => '0',