diff --git a/pkg/client/rp/verifier.go b/pkg/client/rp/verifier.go
index e5c9f42..75d149b 100644
--- a/pkg/client/rp/verifier.go
+++ b/pkg/client/rp/verifier.go
@@ -141,7 +141,7 @@ func WithIssuedAtOffset(offset time.Duration) func(*idTokenVerifier) {
 // WithIssuedAtMaxAge provides the ability to define the maximum duration between iat and now
 func WithIssuedAtMaxAge(maxAge time.Duration) func(*idTokenVerifier) {
 	return func(v *idTokenVerifier) {
-		v.maxAge = maxAge
+		v.maxAgeIAT = maxAge
 	}
 }
 
diff --git a/pkg/client/rp/verifier_test.go b/pkg/client/rp/verifier_test.go
index 28c9ded..b80ef22 100644
--- a/pkg/client/rp/verifier_test.go
+++ b/pkg/client/rp/verifier_test.go
@@ -310,7 +310,7 @@ func TestNewIDTokenVerifier(t *testing.T) {
 				keySet:   tu.KeySet{},
 				options: []VerifierOption{
 					WithIssuedAtOffset(time.Minute),
-					//WithIssuedAtMaxAge(time.Hour),
+					WithIssuedAtMaxAge(time.Hour),
 					WithNonce(nil), // otherwise assert.Equal will fail on the function
 					WithACRVerifier(nil),
 					WithAuthTimeMaxAge(2 * time.Hour),
@@ -318,9 +318,9 @@ func TestNewIDTokenVerifier(t *testing.T) {
 				},
 			},
 			want: &idTokenVerifier{
-				issuer: tu.ValidIssuer,
-				offset: time.Minute,
-				//maxAgeIAT:         time.Hour, // Maybe BUG?
+				issuer:            tu.ValidIssuer,
+				offset:            time.Minute,
+				maxAgeIAT:         time.Hour,
 				clientID:          tu.ValidClientID,
 				keySet:            tu.KeySet{},
 				nonce:             nil,