diff --git a/src/main/resources/vsrc/RoccBlackBox.v b/src/main/resources/vsrc/RoccBlackBox.v
index b8fa74df910..07f88c0fd31 100644
--- a/src/main/resources/vsrc/RoccBlackBox.v
+++ b/src/main/resources/vsrc/RoccBlackBox.v
@@ -159,6 +159,7 @@ module RoccBlackBox
     output [fLen:0]                      rocc_fpu_req_bits_in1,
     output [fLen:0]                      rocc_fpu_req_bits_in2,
     output [fLen:0]                      rocc_fpu_req_bits_in3,
+    output                               rocc_fpu_req_bits_vec,
     output                               rocc_fpu_resp_ready,
     input                                rocc_fpu_resp_valid,
     input [fLen:0]                       rocc_fpu_resp_bits_data,