diff --git a/src/sporemodder/ProjectManager.java b/src/sporemodder/ProjectManager.java
index 897d057..32c5bf5 100644
--- a/src/sporemodder/ProjectManager.java
+++ b/src/sporemodder/ProjectManager.java
@@ -2334,4 +2334,8 @@ public void createNewProjectInMod(ModBundle modBundle, String projectName, List<
 		assert modBundle != null;
 		createNewProjectCommon(modBundle, projectName, presets);
 	}
+
+	public void removeInexistantMods() {
+		modBundles.removeInexistantMods();
+	}
 }
diff --git a/src/sporemodder/util/ModBundlesList.java b/src/sporemodder/util/ModBundlesList.java
index e6dc7bb..b5a53dd 100644
--- a/src/sporemodder/util/ModBundlesList.java
+++ b/src/sporemodder/util/ModBundlesList.java
@@ -2,6 +2,7 @@
 
 import org.xml.sax.SAXException;
 import sporemodder.PathManager;
+import sporemodder.ProjectManager;
 
 import javax.xml.parsers.ParserConfigurationException;
 import javax.xml.transform.TransformerException;
@@ -73,6 +74,41 @@ public void loadList() {
         }
     }
 
+    /**
+     * Reads the mod bundles file again, and removes from the list any mod bundles whose folder
+     * no longer exists.
+     */
+    public void removeInexistantMods() {
+        if (!Files.exists(getFile())) {
+            return;
+        }
+        try {
+            Files.readAllLines(getFile()).forEach(line -> {
+                File modFolder;
+                if (line.contains("/") || line.contains("\\")) {
+                    // External mod folder
+                    modFolder = new File(line);
+                } else {
+                    // Normal mod inside SMFX Projects
+                    modFolder = new File(PathManager.get().getProjectsFolder(), line);
+                }
+                if (!modFolder.exists()) {
+                    for (Project project : modBundles.get(modFolder.getName().toLowerCase()).getProjects()) {
+                        try {
+                            ProjectManager.get().deleteProject(project);
+                        } catch (IOException e) {
+                            e.printStackTrace();
+                        }
+                    }
+                    modBundles.remove(modFolder.getName().toLowerCase());
+                }
+            });
+            saveList();
+        } catch (Exception e) {
+            System.err.println("Failed to prune mod bundles list: " + e.getMessage());
+        }
+    }
+
     public void loadModInfos() {
         for (ModBundle modBundle : modBundles.values()) {
             try {
diff --git a/src/sporemodder/view/dialogs/CreateProjectSimpleUI.java b/src/sporemodder/view/dialogs/CreateProjectSimpleUI.java
index d3ae044..dd2f7cd 100644
--- a/src/sporemodder/view/dialogs/CreateProjectSimpleUI.java
+++ b/src/sporemodder/view/dialogs/CreateProjectSimpleUI.java
@@ -72,6 +72,8 @@ public void createMod() throws IOException, InterruptedException, ParserConfigur
     }
 
     public static void show() {
+        ProjectManager.get().removeInexistantMods();
+
         CreateProjectSimpleUI node = UIManager.get().loadUI("dialogs/CreateProjectSimpleUI");
         node.dialog = new Dialog<>();
         node.dialog.getDialogPane().setContent(node.getMainNode());