diff --git a/src/tests/cipher.cpp b/src/tests/cipher.cpp
index 8cf44370f3..bb8b0c1d03 100644
--- a/src/tests/cipher.cpp
+++ b/src/tests/cipher.cpp
@@ -1222,4 +1222,12 @@ TEST_F(rnp_tests, test_windows_botan_crash)
     assert_int_equal(botan_cipher_reset(cipher), 0);
     assert_int_equal(botan_cipher_destroy(cipher), 0);
 }
+
+TEST_F(rnp_tests, test_botan_hex_decode)
+{
+    std::string str = "BC6709B15C23A4A";
+    std::vector<uint8_t> res(str.size() / 2 + 2);
+    size_t               len = rnp::hex_decode(str.c_str(), res.data(), res.size());
+    res.resize(len);
+}
 #endif
diff --git a/src/tests/ffi.cpp b/src/tests/ffi.cpp
index 14629660a0..583224c039 100644
--- a/src/tests/ffi.cpp
+++ b/src/tests/ffi.cpp
@@ -1461,18 +1461,29 @@ TEST_F(rnp_tests, test_ffi_locate_key)
     {
         rnp_key_handle_t key = NULL;
         assert_rnp_failure(rnp_locate_key(NULL, "keyid", "7BC6709B15C23A4A", &key));
+        RNP_LOG("1");
         assert_rnp_failure(rnp_locate_key(ffi, NULL, "7BC6709B15C23A4A", &key));
+        RNP_LOG("2");
         assert_rnp_failure(rnp_locate_key(ffi, "keyid", NULL, &key));
+        RNP_LOG("3");
         assert_rnp_failure(rnp_locate_key(ffi, "keyid", "7BC6709B15C23A4A", NULL));
+        RNP_LOG("4");
         assert_rnp_failure(rnp_locate_key(ffi, "wrong", "7BC6709B15C23A4A", &key));
+        RNP_LOG("5");
         assert_rnp_failure(rnp_locate_key(ffi, "keyid", "BC6709B15C23A4A", &key));
+        RNP_LOG("6");
         assert_rnp_failure(rnp_locate_key(ffi, "keyid", "C6709B15C23A4A", &key));
+        RNP_LOG("7");
         assert_rnp_failure(
           rnp_locate_key(ffi, "fingerprint", "5A3CBF583AA80A2CCC53AA7BC6709B15C23A4A", &key));
+        RNP_LOG("8");
         assert_rnp_failure(
           rnp_locate_key(ffi, "grip", "D6A0800A3FACDE0C0EB60B16B3669ED380FDFA", &key));
+        RNP_LOG("9");
         assert_rnp_failure(rnp_locate_key(ffi, "keyid", "0x7BC6 709B\r15C2 3A4A\n", &key));
+        RNP_LOG("10");
         assert_rnp_success(rnp_locate_key(ffi, "keyid", "0x7BC6 709B\t15C2 3A4A\t", &key));
+        RNP_LOG("11");
         assert_non_null(key);
         rnp_key_handle_destroy(key);
     }