diff --git a/backend/src/test/kotlin/be/osoc/team1/backend/unittests/ProjectServiceTests.kt b/backend/src/test/kotlin/be/osoc/team1/backend/unittests/ProjectServiceTests.kt
index 02a67cc1..267d6726 100644
--- a/backend/src/test/kotlin/be/osoc/team1/backend/unittests/ProjectServiceTests.kt
+++ b/backend/src/test/kotlin/be/osoc/team1/backend/unittests/ProjectServiceTests.kt
@@ -33,6 +33,7 @@ import org.springframework.web.context.request.ServletRequestAttributes
 import java.util.UUID
 
 class ProjectServiceTests {
+    private val scheme = System.getenv("OSOC_SCHEME") ?: "http"
     private val testId = UUID.randomUUID()
     private val testStudent = Student("Lars", "Van Cauter", "")
     private val testCoach = User("Lars2 Van Cauter", "lars2@email.com", Role.Coach, "password")
@@ -219,7 +220,7 @@ class ProjectServiceTests {
         val service = ProjectService(repository, mockk(), getUserService())
 
         val mockRequest = MockHttpServletRequest()
-        mockRequest.scheme = "http"
+        mockRequest.scheme = scheme
         mockRequest.serverName = "example.com"
         mockRequest.serverPort = -1
         mockRequest.contextPath = "/api"
@@ -227,19 +228,19 @@ class ProjectServiceTests {
         val conflictList = service.getConflicts(testEdition)
         assert(
             conflictList[0] == ProjectService.Conflict(
-                "http://example.com/api/$testEdition/students/" + testStudent.id,
+                "$scheme://example.com/api/$testEdition/students/" + testStudent.id,
                 mutableListOf(
-                    "http://example.com/api/$testEdition/projects/" + testProjectConflict.id,
-                    "http://example.com/api/$testEdition/projects/" + testProjectConflict2.id
+                    "$scheme://example.com/api/$testEdition/projects/" + testProjectConflict.id,
+                    "$scheme://example.com/api/$testEdition/projects/" + testProjectConflict2.id
                 )
             )
         )
         assert(
             conflictList[1] == ProjectService.Conflict(
-                "http://example.com/api/$testEdition/students/" + testStudent2.id,
+                "$scheme://example.com/api/$testEdition/students/" + testStudent2.id,
                 mutableListOf(
-                    "http://example.com/api/$testEdition/projects/" + testProjectConflict2.id,
-                    "http://example.com/api/$testEdition/projects/" + testProjectConflict3.id
+                    "$scheme://example.com/api/$testEdition/projects/" + testProjectConflict2.id,
+                    "$scheme://example.com/api/$testEdition/projects/" + testProjectConflict3.id
                 )
             )
         )
diff --git a/backend/src/test/kotlin/be/osoc/team1/backend/unittests/SerializationTests.kt b/backend/src/test/kotlin/be/osoc/team1/backend/unittests/SerializationTests.kt
index 51c91d43..4aee64df 100644
--- a/backend/src/test/kotlin/be/osoc/team1/backend/unittests/SerializationTests.kt
+++ b/backend/src/test/kotlin/be/osoc/team1/backend/unittests/SerializationTests.kt
@@ -25,6 +25,7 @@ import org.springframework.web.context.request.ServletRequestAttributes
 @JsonTest
 class SerializationTests {
 
+    private val scheme = System.getenv("OSOC_SCHEME") ?: "http"
     @Autowired
     private val projectJacksonTester: JacksonTester<Project>? = null
 
@@ -61,11 +62,11 @@ class SerializationTests {
         val json: JsonContent<Project> = projectJacksonTester!!.write(testProject)
 
         assertThat(json).extractingJsonPathValue("$.coaches")
-            .isEqualTo(mutableListOf("http://example.com/api/users/${testUser.id}"))
+            .isEqualTo(mutableListOf("$scheme://example.com/api/users/${testUser.id}"))
         assertThat(json).extractingJsonPathValue("$.positions")
-            .isEqualTo(mutableListOf("http://example.com/api/positions/${testPosition.id}"))
+            .isEqualTo(mutableListOf("$scheme://example.com/api/positions/${testPosition.id}"))
         assertThat(json).extractingJsonPathValue("$.assignments")
-            .isEqualTo(mutableListOf("http://example.com/api/assignments/${testAssignment.id}"))
+            .isEqualTo(mutableListOf("$scheme://example.com/api/assignments/${testAssignment.id}"))
     }
 
     @Test
@@ -89,9 +90,9 @@ class SerializationTests {
         val json: JsonContent<Student> = studentJacksonTester!!.write(testStudent)
 
         assertThat(json).extractingJsonPathValue("$.statusSuggestions")
-            .isEqualTo(mutableListOf("http://example.com/api/statusSuggestions/${testStatusSuggestion.id}"))
+            .isEqualTo(mutableListOf("$scheme://example.com/api/statusSuggestions/${testStatusSuggestion.id}"))
         assertThat(json).extractingJsonPathValue("$.communications")
-            .isEqualTo(mutableListOf("http://example.com/api/$testEdition/communications/${testCommunication.id}"))
+            .isEqualTo(mutableListOf("$scheme://example.com/api/$testEdition/communications/${testCommunication.id}"))
     }
 
     @Test
@@ -113,10 +114,10 @@ class SerializationTests {
         val json: JsonContent<Assignment> = assignmentJacksonTester!!.write(testAssignment)
 
         assertThat(json).extractingJsonPathValue("$.student")
-            .isEqualTo("http://example.com/api/$testEdition/students/${testStudent.id}")
+            .isEqualTo("$scheme://example.com/api/$testEdition/students/${testStudent.id}")
         assertThat(json).extractingJsonPathValue("$.position")
-            .isEqualTo("http://example.com/api/positions/${testPosition.id}")
+            .isEqualTo("$scheme://example.com/api/positions/${testPosition.id}")
         assertThat(json).extractingJsonPathValue("$.suggester")
-            .isEqualTo("http://example.com/api/users/${testSuggester.id}")
+            .isEqualTo("$scheme://example.com/api/users/${testSuggester.id}")
     }
 }