diff --git a/package.json b/package.json
index 35b6eb4..088dee9 100644
--- a/package.json
+++ b/package.json
@@ -30,6 +30,7 @@
     "chai": "^4.3.6",
     "copy-webpack-plugin": "^10.2.4",
     "css-loader": "^6.6.0",
+    "esmock": "^2.3.1",
     "license-check-and-add": "^4.0.5",
     "mini-css-extract-plugin": "^2.5.3",
     "mocha": "^10.1.0",
diff --git a/test/server.test.js b/test/server.test.js
index 42185f9..c19ea92 100644
--- a/test/server.test.js
+++ b/test/server.test.js
@@ -1,6 +1,10 @@
 import 'chai/register-should.js'
+import esmock from 'esmock'
+
 import * as utils from '../src/server/utils.js'
 
+const _env = Object.assign({},process.env)
+
 describe('server', function () {
     describe('utils', function () {
         describe('computeWKDLocalPart()', function () {
@@ -26,4 +30,63 @@ describe('server', function () {
             })
         })
     })
+    describe('index', function () {
+
+        // Brittle mocking :(
+        describe('generateHKPProfile', function() {
+
+            it('should handle implicit scheme with implicit keys.openpgp.org keyserver', async function () {
+
+                // Arrange
+                const fingerprint = '79895B2E0F87503F1DDE80B649765D7F0DDD9BD5'
+                // the process.env needs to be here, before the esmock setup.
+                process.env.DOMAIN = "keyoxide.org"
+                //process.env.SCHEME = "http"
+
+                const index = await esmock('../src/server/index.js', {
+                    '../src/server/keys.js': {
+                        fetchHKP: () => {
+                            return Promise.resolve({
+                                publicKey: {
+                                    getPrimaryUser: () => {
+                                        return {
+                                            user: {
+                                                userID: {
+                                                    email: "example@example.org"
+                                                }
+                                            }
+                                        }
+                                    }
+                                },
+                                fetchURL: 'example.com'
+                            })
+                        }
+                    },
+                    'doipjs': {
+                        keys: {
+                            process: () => {
+                                return { 
+                                    key: {},
+                                    'fingerprint': fingerprint,
+                                    users: [] 
+                                }
+                            }
+                        }
+                    },
+                    'libravatar': {
+                        get_avatar_url: () => {
+                            return "example.org/avatar.png"
+                        }
+                    }
+                })
+
+                // Act
+                const local = await index.generateHKPProfile(fingerprint)
+
+                // Assert
+                local.keyoxide.url.should.equal(`https://keyoxide.org/hkp/${fingerprint}`)
+
+            })
+        })
+    })
 })
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 19a39c0..3614114 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2204,6 +2204,11 @@ eslint@^8.13.0:
     strip-json-comments "^3.1.0"
     text-table "^0.2.0"
 
+esmock@^2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/esmock/-/esmock-2.3.1.tgz#27a3afea73d7fb352f27c7ac04f66cfbd2c34316"
+  integrity sha512-ZxuxfhwGSlStiJFbw6Z+a70fB6SutTcUr0X8dhehx6aqiC5kgBvEYV4xNW94cKaD8gaqD7P00RjBH/pfao2CQA==
+
 espree@^9.4.0:
   version "9.4.1"
   resolved "https://registry.yarnpkg.com/espree/-/espree-9.4.1.tgz#51d6092615567a2c2cff7833445e37c28c0065bd"