diff --git a/core/Command/App/Enable.php b/core/Command/App/Enable.php
index c4e2363def560..d82a71d9eb4bb 100644
--- a/core/Command/App/Enable.php
+++ b/core/Command/App/Enable.php
@@ -105,6 +105,10 @@ private function enableApp(string $appId, array $groupIds, bool $forceEnable, Ou
 			return $group->getDisplayName();
 		}, $groupIds);
 
+		if ($this->appManager->isInstalled($appId) && $groupIds === []) {
+			$output->writeln($appId . ' already enabled');
+			return;
+		}
 
 		try {
 			/** @var Installer $installer */
diff --git a/tests/Core/Command/Apps/AppsEnableTest.php b/tests/Core/Command/Apps/AppsEnableTest.php
index a8aa4c434f0b7..b5d781aa125c9 100644
--- a/tests/Core/Command/Apps/AppsEnableTest.php
+++ b/tests/Core/Command/Apps/AppsEnableTest.php
@@ -75,6 +75,7 @@ public function dataCommandInput(): array {
 		$data = [
 			[['admin_audit'], null, 0, 'admin_audit enabled'],
 			[['comments'], null, 0, 'comments enabled'],
+			[['comments', 'comments'], null, 0, "comments enabled\ncomments already enabled"],
 			[['invalid_app'], null, 1, 'Could not download app invalid_app'],
 
 			[['admin_audit', 'comments'], null, 0, "admin_audit enabled\ncomments enabled"],