diff --git a/core/Application.php b/core/Application.php
index c3cb6f02ed5f8..93032e53d429a 100644
--- a/core/Application.php
+++ b/core/Application.php
@@ -112,6 +112,10 @@ function (GenericEvent $event) use ($container) {
 					if (!$table->hasIndex('fs_size')) {
 						$subject->addHintForMissingSubject($table->getName(), 'fs_size');
 					}
+
+					if (!$table->hasIndex('fs_path_prefix')) {
+						$subject->addHintForMissingSubject($table->getName(), 'fs_path_prefix');
+					}
 				}
 
 				if ($schema->hasTable('twofactor_providers')) {
diff --git a/core/Command/Db/AddMissingIndices.php b/core/Command/Db/AddMissingIndices.php
index 1acff55fa40a2..a4f5918453742 100644
--- a/core/Command/Db/AddMissingIndices.php
+++ b/core/Command/Db/AddMissingIndices.php
@@ -144,6 +144,13 @@ private function addCoreIndexes(OutputInterface $output) {
 				$updated = true;
 				$output->writeln('<info>Filecache table updated successfully.</info>');
 			}
+			if (!$table->hasIndex('fs_path_prefix')) {
+				$output->writeln('<info>Adding additional path index to the filecache table, this can take some time...</info>');
+				$table->addIndex(['size'], 'fs_path_prefix', [], ["lengths" => [128]]);
+				$this->connection->migrateToSchema($schema->getWrappedSchema());
+				$updated = true;
+				$output->writeln('<info>Filecache table updated successfully.</info>');
+			}
 		}
 
 		$output->writeln('<info>Check indices of the twofactor_providers table.</info>');
diff --git a/core/Migrations/Version13000Date20170718121200.php b/core/Migrations/Version13000Date20170718121200.php
index 4912bef885738..2a9636336a600 100644
--- a/core/Migrations/Version13000Date20170718121200.php
+++ b/core/Migrations/Version13000Date20170718121200.php
@@ -262,6 +262,7 @@ public function changeSchema(IOutput $output, \Closure $schemaClosure, array $op
 			$table->addIndex(['storage', 'size', 'fileid'], 'fs_storage_size');
 			$table->addIndex(['mtime'], 'fs_mtime');
 			$table->addIndex(['size'], 'fs_size');
+			$table->addIndex(['path'], 'fs_path_prefix', [], ["lengths" => [128]]);
 		}
 
 		if (!$schema->hasTable('group_user')) {