diff --git a/tools/tm-signer-harness/internal/test_harness_test.go b/tools/tm-signer-harness/internal/test_harness_test.go
index 1c63ffb63..ca54e5473 100644
--- a/tools/tm-signer-harness/internal/test_harness_test.go
+++ b/tools/tm-signer-harness/internal/test_harness_test.go
@@ -156,6 +156,7 @@ func makeConfig(t *testing.T, acceptDeadline, acceptRetries int) TestHarnessConf
 			{
 				Address: pvFile.Key.Address,
 				PubKey:  pvFile.Key.PubKey,
+				Power:   10,
 			},
 		},
 	}