diff --git a/csharp/App/Backend/Database/Create.cs b/csharp/App/Backend/Database/Create.cs
index 4eb630a82..537192476 100644
--- a/csharp/App/Backend/Database/Create.cs
+++ b/csharp/App/Backend/Database/Create.cs
@@ -34,13 +34,13 @@ public static partial class Db
         return Connection.Insert(session) > 0;
     }
     
-    public static Boolean Create(User2Installation user2Installation)
+    public static Boolean Create(InstallationAccess installationAccess)
     {
-        return Connection.Insert(user2Installation) > 0;
+        return Connection.Insert(installationAccess) > 0;
     }
     
-    public static Boolean Create(User2Folder user2Folder)
+    public static Boolean Create(FolderAccess folderAccess)
     {
-        return Connection.Insert(user2Folder) > 0;
+        return Connection.Insert(folderAccess) > 0;
     }
 }
\ No newline at end of file
diff --git a/csharp/App/Backend/Database/Db.cs b/csharp/App/Backend/Database/Db.cs
index 07bae933f..c543967e9 100644
--- a/csharp/App/Backend/Database/Db.cs
+++ b/csharp/App/Backend/Database/Db.cs
@@ -19,8 +19,8 @@ public static partial class Db
     public static TableQuery<Folder>            Folders           => Connection.Table<Folder>();
     public static TableQuery<Installation>      Installations     => Connection.Table<Installation>();
     public static TableQuery<User>              Users             => Connection.Table<User>();
-    public static TableQuery<User2Folder>       User2Folder       => Connection.Table<User2Folder>();
-    public static TableQuery<User2Installation> User2Installation => Connection.Table<User2Installation>();
+    public static TableQuery<FolderAccess>       User2Folder       => Connection.Table<FolderAccess>();
+    public static TableQuery<InstallationAccess> User2Installation => Connection.Table<InstallationAccess>();
 
 
     static Db()
@@ -32,8 +32,8 @@ public static partial class Db
             Connection.CreateTable<User>();
             Connection.CreateTable<Installation>();
             Connection.CreateTable<Folder>();
-            Connection.CreateTable<User2Folder>();
-            Connection.CreateTable<User2Installation>();
+            Connection.CreateTable<FolderAccess>();
+            Connection.CreateTable<InstallationAccess>();
             Connection.CreateTable<Session>();
         });
 
diff --git a/csharp/App/Backend/Database/Fake.cs b/csharp/App/Backend/Database/Fake.cs
index ab144c11d..ce00e87a4 100644
--- a/csharp/App/Backend/Database/Fake.cs
+++ b/csharp/App/Backend/Database/Fake.cs
@@ -70,7 +70,7 @@ public static partial class Db
         foreach (var user in Users)
             while (Random.Shared.Next((Int32)(nUsers - user.Id + 1)) != 0)
             {
-                var relation = new User2Folder
+                var relation = new FolderAccess
                 {
                     UserId = user.Id,
                     FolderId = Random.Shared.Next(nFolders) + 1
@@ -89,7 +89,7 @@ public static partial class Db
         foreach (var user in Users)
             while (Random.Shared.Next(5) != 0)
             {
-                var relation = new User2Installation
+                var relation = new InstallationAccess
                 {
                     UserId = user.Id,
                     InstallationId = Random.Shared.Next(nbInstallations) + 1
diff --git a/csharp/App/Backend/Relations/User2Folder.cs b/csharp/App/Backend/Relations/FolderAccess.cs
similarity index 80%
rename from csharp/App/Backend/Relations/User2Folder.cs
rename to csharp/App/Backend/Relations/FolderAccess.cs
index 0cd1fa191..545647a46 100644
--- a/csharp/App/Backend/Relations/User2Folder.cs
+++ b/csharp/App/Backend/Relations/FolderAccess.cs
@@ -2,7 +2,7 @@ using SQLite;
 
 namespace InnovEnergy.App.Backend.Relations;
 
-public class User2Folder : Relation<Int64, Int64>
+public class FolderAccess : Relation<Int64, Int64>
 {
     [Indexed] public Int64 UserId   { get => Left ; init => Left  = value;}
     [Indexed] public Int64 FolderId { get => Right; init => Right = value;}
diff --git a/csharp/App/Backend/Relations/User2Installation.cs b/csharp/App/Backend/Relations/InstallationAccess.cs
similarity index 79%
rename from csharp/App/Backend/Relations/User2Installation.cs
rename to csharp/App/Backend/Relations/InstallationAccess.cs
index f898253db..c233ca953 100644
--- a/csharp/App/Backend/Relations/User2Installation.cs
+++ b/csharp/App/Backend/Relations/InstallationAccess.cs
@@ -2,7 +2,7 @@ using SQLite;
 
 namespace InnovEnergy.App.Backend.Relations;
 
-public class User2Installation : Relation<Int64, Int64>
+public class InstallationAccess : Relation<Int64, Int64>
 {
     [Indexed] public Int64 UserId         { get => Left ; init => Left  = value;}
     [Indexed] public Int64 InstallationId { get => Right; init => Right = value;}