diff --git a/core/Application.php b/core/Application.php
index 28f2a435981d4..489e36f0f9468 100644
--- a/core/Application.php
+++ b/core/Application.php
@@ -31,6 +31,7 @@
  */
 namespace OC\Core;
 
+use Doctrine\DBAL\Platforms\PostgreSQL94Platform;
 use OC\Authentication\Events\RemoteWipeFinished;
 use OC\Authentication\Events\RemoteWipeStarted;
 use OC\Authentication\Listeners\RemoteWipeActivityListener;
@@ -115,7 +116,7 @@ function (GenericEvent $event) use ($container) {
 						$subject->addHintForMissingSubject($table->getName(), 'fs_size');
 					}
 
-					if (!$table->hasIndex('fs_storage_path_prefix')) {
+					if (!$table->hasIndex('fs_storage_path_prefix') && !$schema->getDatabasePlatform() instanceof PostgreSQL94Platform) {
 						$subject->addHintForMissingSubject($table->getName(), 'fs_storage_path_prefix');
 					}
 				}
diff --git a/core/Command/Db/AddMissingIndices.php b/core/Command/Db/AddMissingIndices.php
index 4a079c945c744..819026a6211c4 100644
--- a/core/Command/Db/AddMissingIndices.php
+++ b/core/Command/Db/AddMissingIndices.php
@@ -33,6 +33,7 @@
  */
 namespace OC\Core\Command\Db;
 
+use Doctrine\DBAL\Platforms\PostgreSQL94Platform;
 use OC\DB\Connection;
 use OC\DB\SchemaWrapper;
 use OCP\IDBConnection;
@@ -144,7 +145,7 @@ private function addCoreIndexes(OutputInterface $output) {
 				$updated = true;
 				$output->writeln('<info>Filecache table updated successfully.</info>');
 			}
-			if (!$table->hasIndex('fs_storage_path_prefix')) {
+			if (!$table->hasIndex('fs_storage_path_prefix') && !$schema->getDatabasePlatform() instanceof PostgreSQL94Platform) {
 				$output->writeln('<info>Adding additional path index to the filecache table, this can take some time...</info>');
 				$table->addIndex(['storage', 'path'], 'fs_storage_path_prefix', [], ['lengths' => [null, 64]]);
 				$this->connection->migrateToSchema($schema->getWrappedSchema());
diff --git a/core/Migrations/Version13000Date20170718121200.php b/core/Migrations/Version13000Date20170718121200.php
index b1a2eb6b2a687..7149f552eee63 100644
--- a/core/Migrations/Version13000Date20170718121200.php
+++ b/core/Migrations/Version13000Date20170718121200.php
@@ -31,6 +31,7 @@
  */
 namespace OC\Core\Migrations;
 
+use Doctrine\DBAL\Platforms\PostgreSQL94Platform;
 use OCP\DB\Types;
 use OCP\DB\ISchemaWrapper;
 use OCP\IDBConnection;
@@ -263,7 +264,9 @@ 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');
-			$table->addIndex(['storage', 'path'], 'fs_storage_path_prefix', [], ['lengths' => [null, 64]]);
+			if (!$schema->getDatabasePlatform() instanceof PostgreSQL94Platform) {
+				$table->addIndex(['storage', 'path'], 'fs_storage_path_prefix', [], ['lengths' => [null, 64]]);
+			}
 		}
 
 		if (!$schema->hasTable('group_user')) {
diff --git a/lib/private/DB/SchemaWrapper.php b/lib/private/DB/SchemaWrapper.php
index e5f4656c9beda..40d41f0dafc8c 100644
--- a/lib/private/DB/SchemaWrapper.php
+++ b/lib/private/DB/SchemaWrapper.php
@@ -23,6 +23,8 @@
  */
 namespace OC\DB;
 
+use Doctrine\DBAL\Exception;
+use Doctrine\DBAL\Platforms\AbstractPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use OCP\DB\ISchemaWrapper;
 
@@ -129,4 +131,15 @@ public function dropTable($tableName) {
 	public function getTables() {
 		return $this->schema->getTables();
 	}
+
+	/**
+	 * Gets the DatabasePlatform for the database.
+	 *
+	 * @return AbstractPlatform
+	 *
+	 * @throws Exception
+	 */
+	public function getDatabasePlatform() {
+		return $this->connection->getDatabasePlatform();
+	}
 }
diff --git a/lib/public/DB/ISchemaWrapper.php b/lib/public/DB/ISchemaWrapper.php
index 2031f807e76bc..82e4205f1b36d 100644
--- a/lib/public/DB/ISchemaWrapper.php
+++ b/lib/public/DB/ISchemaWrapper.php
@@ -22,6 +22,9 @@
  */
 namespace OCP\DB;
 
+use Doctrine\DBAL\Exception;
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+
 /**
  * Interface ISchemaWrapper
  *
@@ -81,7 +84,7 @@ public function getTables();
 	 * @since 13.0.0
 	 */
 	public function getTableNames();
-	
+
 	/**
 	 * Gets all table names
 	 *
@@ -89,4 +92,14 @@ public function getTableNames();
 	 * @since 13.0.0
 	 */
 	public function getTableNamesWithoutPrefix();
+
+	/**
+	 * Gets the DatabasePlatform for the database.
+	 *
+	 * @return AbstractPlatform
+	 *
+	 * @throws Exception
+	 * @since 23.0.0
+	 */
+	public function getDatabasePlatform();
 }