diff --git a/src/ex_stage.sv b/src/ex_stage.sv
index 87ef8990b4888a8b01c6b6845efefd5acd143ca4..402bbb330861b3f4e1fed14736726b49563b6871 100644
--- a/src/ex_stage.sv
+++ b/src/ex_stage.sv
@@ -225,6 +225,10 @@ module ex_stage import ariane_pkg::*; #(
         .mult_trans_id_o ( mult_trans_id_o )
     );
 
+    assign mult_exception_o.valid = 1'b0;
+    assign mult_exception_o.cause = '0;
+    assign mult_exception_o.tval = '0;
+
     // ----------------
     // FPU
     // ----------------