diff --git a/src/client/tests/mod.rs b/src/client/tests/mod.rs
index 1f98b44..49f39d8 100644
--- a/src/client/tests/mod.rs
+++ b/src/client/tests/mod.rs
@@ -1,5 +1,7 @@
 use tokio::runtime::Runtime;
 
+use crate::certs::{fingerprint::CertFingerprint, CertificateDer};
+
 use super::*;
 
 #[test]
@@ -40,3 +42,34 @@ fn check_parser() {
     drop(resp); // to free recv from mutable borrowing
     assert_eq!(recv.as_slice(), b"gemini://unw.dc09.ru\r\n");
 }
+
+#[test]
+fn check_real_site() {
+    let rt = Runtime::new().unwrap();
+    let client = Client::builder()
+        .with_selfsigned_cert_verifier(Verifier {})
+        .build();
+
+    rt.block_on(client.request("gemini://geminiprotocol.net/docs"))
+        .unwrap();
+
+    struct Verifier;
+
+    #[async_trait::async_trait]
+    impl SelfsignedCertVerifier for Verifier {
+        async fn verify(
+            &self,
+            cert: &CertificateDer<'_>,
+            host: &str,
+            port: u16,
+        ) -> Result<bool, LibError> {
+            assert_eq!(host, "geminiprotocol.net");
+            assert_eq!(port, 1965);
+            assert_eq!(
+                CertFingerprint::new_sha256(cert).base64(),
+                "OBuOKRLSTQcgHXdQ0QFshcGQSgc5o+g0fnHDY+7SolE",
+            );
+            Ok(true)
+        }
+    }
+}