diff --git a/daisy-integration/src/main/java/se/su/dsv/scipro/integration/daisy/workers/ProjectExporter.java b/daisy-integration/src/main/java/se/su/dsv/scipro/integration/daisy/workers/ProjectExporter.java
index caf55a1756..dccccdda5a 100644
--- a/daisy-integration/src/main/java/se/su/dsv/scipro/integration/daisy/workers/ProjectExporter.java
+++ b/daisy-integration/src/main/java/se/su/dsv/scipro/integration/daisy/workers/ProjectExporter.java
@@ -2,7 +2,6 @@ package se.su.dsv.scipro.integration.daisy.workers;
 
 import jakarta.inject.Inject;
 import jakarta.inject.Named;
-import jakarta.ws.rs.core.Response;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import se.su.dsv.scipro.daisyexternal.http.DaisyAPI;
@@ -264,29 +263,7 @@ public class ProjectExporter extends AbstractWorker {
         Set<ProjectParticipant> contributors = daisyAPI.getContributors(project.getIdentifier());
         for (ProjectParticipant contributor : contributors) {
             if (contributor.getRole() == Role.SUPERVISOR) {
-                if (contributor.getPerson().getId().equals(project.getHeadSupervisor().getIdentifier())) {
-                    toAdd = false;
-                } else {
-                    Response response = daisyAPI.deleteThesisPerson(
-                        project.getIdentifier(),
-                        contributor.getPerson().getId()
-                    );
-                    if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
-                        LOG.warn(
-                            "Failed to delete supervisor from project: {} (id: {} / {})",
-                            project.getTitle(),
-                            project.getId(),
-                            project.getIdentifier()
-                        );
-
-                        // Card 3413
-                        // Do not attempt to add the new supervisor if the old one is still there to prevent
-                        // the project from having multiple supervisors.
-                        // Hopefully Daisy API will soon have support for the function "change supervisor"
-                        // rather than just INSERT and DELETE rows in a table.
-                        toAdd = false;
-                    }
-                }
+                toAdd = !contributor.getPerson().getId().equals(project.getHeadSupervisor().getIdentifier());
             }
         }
         if (toAdd) {
diff --git a/daisy-integration/src/test/java/se/su/dsv/scipro/integration/daisy/workers/ProjectExporterTest.java b/daisy-integration/src/test/java/se/su/dsv/scipro/integration/daisy/workers/ProjectExporterTest.java
index fec03c6a38..6ea34f846d 100644
--- a/daisy-integration/src/test/java/se/su/dsv/scipro/integration/daisy/workers/ProjectExporterTest.java
+++ b/daisy-integration/src/test/java/se/su/dsv/scipro/integration/daisy/workers/ProjectExporterTest.java
@@ -144,22 +144,29 @@ public class ProjectExporterTest {
     }
 
     @Test
-    public void deletes_wrong_head_supervisor() {
-        Person person = new Person();
-        person.setId(234234);
+    public void change_head_supervisor() throws Exception {
+        User newSupervisor = User.builder().firstName("New").lastName("Supervisor").emailAddress("new@supervisor.com").build();
+        Unit unit = new Unit();
+        unit.setIdentifier(239478);
 
-        ProjectParticipant headSupervisor = new ProjectParticipant();
-        headSupervisor.setRole(Role.SUPERVISOR);
-        headSupervisor.setPerson(person);
+        newSupervisor.setIdentifier(12345);
+        newSupervisor.setUnit(unit);
+        exportedProject.setHeadSupervisor(newSupervisor);
 
         Set<ProjectParticipant> contributors = new HashSet<>();
-        contributors.add(headSupervisor);
+        ProjectParticipant oldSupervisor = new ProjectParticipant();
+        oldSupervisor.setRole(Role.SUPERVISOR);
+        Person oldPerson = new Person();
+        oldPerson.setId(SUPERVISOR_IDENTIFIER);
+        oldSupervisor.setPerson(oldPerson);
+        contributors.add(oldSupervisor);
 
         when(daisyAPI.getContributors(exportedProject.getIdentifier())).thenReturn(contributors);
 
         projectExporter.run();
 
-        verify(daisyAPI).deleteThesisPerson(exportedProject.getIdentifier(), person.getId());
+        verify(externalExporter).addContributorToProject(exportedProject, newSupervisor, Role.SUPERVISOR);
+
     }
 
     @Test