diff --git a/osu.Game/Localisation/ResourceManagerLocalisationStore.cs b/osu.Game/Localisation/ResourceManagerLocalisationStore.cs
index dd84eff55f..e0f110aba9 100644
--- a/osu.Game/Localisation/ResourceManagerLocalisationStore.cs
+++ b/osu.Game/Localisation/ResourceManagerLocalisationStore.cs
@@ -34,7 +34,16 @@ namespace osu.Game.Localisation
             if (!resourceManagers.TryGetValue(ns, out var manager))
                 resourceManagers[ns] = manager = new ResourceManager(ns, GetType().Assembly);
 
-            return manager.GetString(key, EffectiveCulture);
+            try
+            {
+                return manager.GetString(key, EffectiveCulture);
+            }
+            catch (MissingManifestResourceException)
+            {
+                // in the case the manifest is missing, it is likely that the user is adding code-first implementations of new localisation namespaces.
+                // it's fine to ignore this as localisation will fallback to default values.
+                return null;
+            }
         }
 
         public Task<string> GetAsync(string lookup)