diff --git a/view/src/main/java/se/su/dsv/scipro/group/EditGroupPanel.java b/view/src/main/java/se/su/dsv/scipro/group/EditGroupPanel.java
index be0d59af6b..f5e00ef0e6 100644
--- a/view/src/main/java/se/su/dsv/scipro/group/EditGroupPanel.java
+++ b/view/src/main/java/se/su/dsv/scipro/group/EditGroupPanel.java
@@ -42,8 +42,17 @@ public class EditGroupPanel extends Panel {
             feedbackPanel.setOutputMarkupId(true);
             add(feedbackPanel);
 
+            IModel<List<Project>> availableProjects = LoadableDetachableModel.of(() -> {
+                Set<Project> projects = new HashSet<>();
+                projects.addAll(getAllRelevantProjects());
+                // Have to add the projects that are already in the group to the list of available projects
+                // since they may not be included in the relevant projects if they're inactive or completed.
+                // To allow them to be removed from the group, it will not be possible to add them again.
+                projects.addAll(model.getObject().getProjects());
+                return projects.stream().toList();
+            });
             add(
-                new ListView<>("available_projects", LoadableDetachableModel.of(this::getAllRelevantProjects)) {
+                new ListView<>("available_projects", availableProjects) {
                     @Override
                     protected void populateItem(ListItem<Project> item) {
                         CheckBox checkbox = new CheckBox("selected", new SelectProjectModel(model, item.getModel()));