diff --git a/osu.Game/Database/RealmAccess.cs b/osu.Game/Database/RealmAccess.cs
index 65cad5bdf0..e31c121a9d 100644
--- a/osu.Game/Database/RealmAccess.cs
+++ b/osu.Game/Database/RealmAccess.cs
@@ -173,7 +173,8 @@ public RealmAccess(Storage storage, string filename, GameThread? updateThread =
                 Filename += realm_extension;
 
 #if DEBUG
-            applyFilenameSchemaSuffix(ref Filename);
+            if (!DebugUtils.IsNUnitRunning)
+                applyFilenameSchemaSuffix(ref Filename);
 #endif
 
             string newerVersionFilename = $"{Filename.Replace(realm_extension, string.Empty)}_newer_version{realm_extension}";