diff --git a/src/apptask.js b/src/apptask.js
index 35bd1a0be..91abc989e 100644
--- a/src/apptask.js
+++ b/src/apptask.js
@@ -505,7 +505,7 @@ function install(app, restoreConfig, progressCallback, callback) {
     assert.strictEqual(typeof progressCallback, 'function');
     assert.strictEqual(typeof callback, 'function');
 
-    const isRestoring = app.installationState === appdb.ISTATE_PENDING_RESTORE;
+    const isInstalling = app.installationState !== appdb.ISTATE_PENDING_RESTORE; // install or clone
 
     async.series([
         // this protects against the theoretical possibility of an app being marked for install/restore from
@@ -521,7 +521,7 @@ function install(app, restoreConfig, progressCallback, callback) {
         deleteContainers.bind(null, app, { managedOnly: true }),
         function teardownAddons(next) {
             // when restoring, app does not require these addons anymore. remove carefully to preserve the db passwords
-            var addonsToRemove = !isRestoring ? app.manifest.addons : _.omit(restoreConfig.oldManifest.addons, Object.keys(app.manifest.addons));
+            var addonsToRemove = isInstalling ? app.manifest.addons : _.omit(restoreConfig.oldManifest.addons, Object.keys(app.manifest.addons));
 
             addons.teardownAddons(app, addonsToRemove, next);
         },
@@ -529,7 +529,7 @@ function install(app, restoreConfig, progressCallback, callback) {
 
         // for restore case
         function deleteImageIfChanged(done) {
-            if (!restoreConfig.oldManifest) return done();
+            if (isInstalling) return done();
 
             if (restoreConfig.oldManifest.dockerImage === app.manifest.dockerImage) return done();
 
@@ -542,10 +542,10 @@ function install(app, restoreConfig, progressCallback, callback) {
         downloadIcon.bind(null, app),
 
         progressCallback.bind(null, { percent: 30, message: 'Registering subdomain' }),
-        registerSubdomain.bind(null, app, isRestoring /* overwrite */),
+        registerSubdomain.bind(null, app, !isInstalling /* overwrite */),
 
         progressCallback.bind(null, { percent: 35, message: 'Registering alternate domains' }),
-        registerAlternateDomains.bind(null, app, isRestoring /* overwrite */),
+        registerAlternateDomains.bind(null, app, !isInstalling /* overwrite */),
 
         progressCallback.bind(null, { percent: 40, message: 'Downloading image' }),
         downloadImage.bind(null, app.manifest),