diff --git a/nixos/tests/grocy.nix b/nixos/tests/grocy.nix
index fe0ddd341486..48bbc9f7d3fa 100644
--- a/nixos/tests/grocy.nix
+++ b/nixos/tests/grocy.nix
@@ -14,6 +14,9 @@ import ./make-test-python.nix ({ pkgs, ... }: {
   };
 
   testScript = ''
+    from base64 import b64encode
+    from urllib.parse import quote
+
     machine.start()
     machine.wait_for_open_port(80)
     machine.wait_for_unit("multi-user.target")
@@ -42,6 +45,29 @@ import ./make-test-python.nix ({ pkgs, ... }: {
 
     machine.succeed("curl -sSI http://localhost/api/tasks 2>&1 | grep '401 Unauthorized'")
 
+    file_name = "test.txt"
+    file_name_base64 = b64encode(file_name.encode('ascii')).decode('ascii')
+    file_name_base64_urlencode = quote(file_name_base64)
+
+    machine.succeed(
+        f"echo Sample equipment manual > /tmp/{file_name}"
+    )
+
+    machine.succeed(
+        f"curl -sSf -X 'PUT' -b 'grocy_session={cookie}' "
+        + f" 'http://localhost/api/files/equipmentmanuals/{file_name_base64_urlencode}' "
+        + "  --header 'Accept: */*' "
+        + "  --header 'Content-Type: application/octet-stream' "
+        + f" --data-binary '@/tmp/{file_name}' "
+    )
+
+    machine.succeed(
+        f"curl -sSf -X 'GET' -b 'grocy_session={cookie}' "
+        + f" 'http://localhost/api/files/equipmentmanuals/{file_name_base64_urlencode}' "
+        + "  --header 'Accept: application/octet-stream' "
+        + f" | cmp /tmp/{file_name}"
+    )
+
     machine.shutdown()
   '';
 })
diff --git a/pkgs/servers/grocy/0001-Define-configs-with-env-vars.patch b/pkgs/servers/grocy/0001-Define-configs-with-env-vars.patch
index 4e3d36c33c9f..4429a804e80d 100644
--- a/pkgs/servers/grocy/0001-Define-configs-with-env-vars.patch
+++ b/pkgs/servers/grocy/0001-Define-configs-with-env-vars.patch
@@ -1,4 +1,4 @@
-From 035709eeac697945a26276cc17b996c1a0678ddc Mon Sep 17 00:00:00 2001
+From 05b762c6ca58ecb5fd631a019fbda69b0647785f Mon Sep 17 00:00:00 2001
 From: Maximilian Bosch <maximilian@mbosch.me>
 Date: Tue, 22 Dec 2020 15:38:56 +0100
 Subject: [PATCH] Define configs with env vars
@@ -33,10 +33,10 @@ index 17ba6a99..89f48089 100644
  
  $container->set('UrlManager', function (Container $container) {
 diff --git a/services/DatabaseService.php b/services/DatabaseService.php
-index dfcd5d4b..bc8d1a1d 100644
+index c093f361..0894791f 100644
 --- a/services/DatabaseService.php
 +++ b/services/DatabaseService.php
-@@ -107,6 +107,6 @@ class DatabaseService
+@@ -114,6 +114,6 @@ class DatabaseService
  			return GROCY_DATAPATH . '/grocy_' . $dbSuffix . '.db';
  		}
  
@@ -45,23 +45,23 @@ index dfcd5d4b..bc8d1a1d 100644
  	}
  }
 diff --git a/services/FilesService.php b/services/FilesService.php
-index 7d070350..fba2e923 100644
+index 7d070350..a6dd4b08 100644
 --- a/services/FilesService.php
 +++ b/services/FilesService.php
-@@ -103,7 +103,7 @@ class FilesService extends BaseService
+@@ -10,7 +10,7 @@ class FilesService extends BaseService
  
- 	public function GetFilePath($group, $fileName)
+ 	public function __construct()
  	{
--		$groupFolderPath = $this->StoragePath . '/' . $group;
+-		$this->StoragePath = GROCY_DATAPATH . '/storage';
 +		$this->StoragePath = getenv('GROCY_STORAGE_DIR');
- 
- 		if (!file_exists($groupFolderPath))
+ 		if (!file_exists($this->StoragePath))
  		{
+ 			mkdir($this->StoragePath);
 diff --git a/services/StockService.php b/services/StockService.php
-index f73ac5bd..6b6e693a 100644
+index 85f57803..15556112 100644
 --- a/services/StockService.php
 +++ b/services/StockService.php
-@@ -1589,8 +1589,7 @@ class StockService extends BaseService
+@@ -1704,8 +1704,7 @@ class StockService extends BaseService
  			throw new \Exception('No barcode lookup plugin defined');
  		}
  
@@ -72,5 +72,5 @@ index f73ac5bd..6b6e693a 100644
  		{
  			require_once $path;
 -- 
-2.31.1
+2.38.1