diff --git a/tests/test_api_v1_accounts_id_follow.cpp b/tests/test_api_v1_accounts_id_follow.cpp
index fc933a2..651d03b 100644
--- a/tests/test_api_v1_accounts_id_follow.cpp
+++ b/tests/test_api_v1_accounts_id_follow.cpp
@@ -112,7 +112,7 @@ SCENARIO ("/api/v1/accounts/:id/follow can be called successfully",
                 {
                     REQUIRE_FALSE(exception);
                 }
-                THEN ("No errors are returned")
+                THEN ("No unexpected errors are returned")
                 {
                     REQUIRE((ret.error_code == 0
                              || ret.error_code == 111));
diff --git a/tests/test_api_v1_accounts_id_unfollow.cpp b/tests/test_api_v1_accounts_id_unfollow.cpp
new file mode 100644
index 0000000..ca93503
--- /dev/null
+++ b/tests/test_api_v1_accounts_id_unfollow.cpp
@@ -0,0 +1,130 @@
+/*  This file is part of mastodon-cpp.
+ *  Copyright © 2019 tastytea <tastytea@tastytea.de>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <exception>
+#include <string>
+#include <cstdlib>
+#include <catch.hpp>
+#include "mastodon-cpp.hpp"
+#include "easy/easy.hpp"
+#include "easy/entities/relationship.hpp"
+
+using namespace Mastodon;
+
+SCENARIO ("/api/v1/accounts/:id/unfollow can be called successfully",
+          "[api][mastodon][pleroma][glitch-soc]")
+{
+    GIVEN ("instance, access token, user id and return_call")
+    {
+        const char *env_instance = std::getenv("MASTODON_CPP_INSTANCE");
+        const string instance =
+            (env_instance ? env_instance : "likeable.space");
+        const char *access_token = std::getenv("MASTODON_CPP_ACCESS_TOKEN");
+        const char *env_user_id = std::getenv("MASTODON_CPP_USER_ID");
+        const string user_id =
+            (env_user_id ? env_user_id : "9hnrrVPriLiLVAhfVo");
+
+        return_call ret;
+        bool exception = false;
+        bool following_found = true;
+        bool error_found = false;
+
+        // You can't unfollow yourself, so we look for errors too.
+
+        REQUIRE (access_token != nullptr);
+
+        GIVEN ("Mastodon::API")
+        {
+            Mastodon::API masto(instance, access_token);
+
+            WHEN ("/api/v1/accounts/" + user_id + "/unfollow is called")
+            {
+                try
+                {
+                    ret = masto.post(API::v1::accounts_id_unfollow,
+                                    {
+                                        { "id", { user_id } },
+                                    });
+                    following_found =
+                        ret.answer.find("\"following\":\"")
+                        != std::string::npos;
+                    error_found = following_found =
+                        ret.answer.find("\"error")
+                        != std::string::npos;
+                }
+                catch (const std::exception &e)
+                {
+                    exception = true;
+                    WARN(e.what());
+                }
+                THEN("No exception is thrown")
+                {
+                    REQUIRE_FALSE(exception);
+                }
+                THEN ("No unexpected errors are returned")
+                {
+                    REQUIRE((ret.error_code == 0
+                             || ret.error_code == 111));
+                    REQUIRE((ret.http_error_code == 200
+                             || ret.http_error_code == 500));
+                }
+                THEN ("The answer makes sense")
+                {
+                    REQUIRE((!following_found || error_found));
+                }
+            }
+        }
+
+        GIVEN ("Mastodon::Easy::API")
+        {
+            Mastodon::Easy::API masto(instance, access_token);
+            Easy::Relationship relationship;
+
+            WHEN ("/api/v1/accounts/" + user_id + "/unfollow is called")
+            {
+                try
+                {
+                    ret = masto.post(API::v1::accounts_id_unfollow,
+                                     {
+                                         { "id", { user_id } },
+                                     });
+                    relationship.from_string(ret.answer);
+                }
+                catch (const std::exception &e)
+                {
+                    exception = true;
+                    WARN(e.what());
+                }
+                THEN("No exception is thrown")
+                {
+                    REQUIRE_FALSE(exception);
+                }
+                THEN ("No unexpected errors are returned")
+                {
+                    REQUIRE((ret.error_code == 0
+                             || ret.error_code == 111));
+                    REQUIRE((ret.http_error_code == 200
+                             || ret.http_error_code == 500));
+                }
+                THEN ("The answer makes sense")
+                {
+                    REQUIRE((!relationship.following()
+                             || relationship.error() != ""));
+                }
+            }
+        }
+    }
+}