diff --git a/protocol/consistencychecks.go b/protocol/consistencychecks.go
index 16831df..cd97b73 100644
--- a/protocol/consistencychecks.go
+++ b/protocol/consistencychecks.go
@@ -275,7 +275,7 @@ func (cc *ConsistencyChecks) verifyMonitoring(msg *Response,
 
 	wasUnameAbsent := ap0.ProofType() == m.ProofOfAbsence
 	switch {
-	case !ok && str0.Epoch == 0 && wasUnameAbsent: /* prior history verification */
+	case str0.Epoch == 0 && wasUnameAbsent: /* prior history verification */
 	case ok && str0.Epoch == regEp && wasUnameAbsent: /* registration epoch */
 	case ok && str0.Epoch >= regEp+1 && !wasUnameAbsent: /* after registration */
 	default:
diff --git a/protocol/consistencychecks_test.go b/protocol/consistencychecks_test.go
index 3bb7399..570eafe 100644
--- a/protocol/consistencychecks_test.go
+++ b/protocol/consistencychecks_test.go
@@ -275,7 +275,7 @@ func TestVerifyMonitoring(t *testing.T) {
 	for i := 0; i < N; i++ {
 		d.Update()
 	}
-	if err := monitorAndVerify(d, cc, alice, nil, cc.SavedSTR.Epoch, d.LatestSTR().Epoch); err != CheckPassed {
+	if err := monitorAndVerify(d, cc, alice, nil, 0, d.LatestSTR().Epoch); err != CheckPassed {
 		t.Error(err)
 	}
 
@@ -283,6 +283,10 @@ func TestVerifyMonitoring(t *testing.T) {
 	if _, e2 := registerAndVerify(d, cc, alice, key); e2 != CheckPassed {
 		t.Error("Cannot register new binding")
 	}
+	// or we can verify prior history after registering
+	if err := monitorAndVerify(d, cc, alice, nil, 0, d.LatestSTR().Epoch); err != CheckPassed {
+		t.Error(err)
+	}
 
 	// monitor binding was inserted
 	d.Update()