diff --git a/Sources/Internal/NSManagedObjectModel+Setup.swift b/Sources/Internal/NSManagedObjectModel+Setup.swift
index 0d3c686..033f730 100644
--- a/Sources/Internal/NSManagedObjectModel+Setup.swift
+++ b/Sources/Internal/NSManagedObjectModel+Setup.swift
@@ -39,7 +39,10 @@ internal extension NSManagedObjectModel {
         guard let modelFilePath = bundle.path(forResource: modelName, ofType: "momd") else {
             
             // For users migrating from very old Xcode versions: Old xcdatamodel files are not contained inside xcdatamodeld (with a "d"), and will thus fail this check. If that was the case, create a new xcdatamodeld file and copy all contents into the new model.
-            CoreStore.abort("Could not find \"\(modelName).momd\" from the bundle. \(bundle)")
+            let foundModels = bundle
+                .paths(forResourcesOfType: "momd", inDirectory: nil)
+                .map({ ($0 as NSString).lastPathComponent })
+            CoreStore.abort("Could not find \"\(modelName).momd\" from the bundle \"\(bundle.bundleIdentifier ?? "<nil>")\". Other model files in bundle: \(foundModels.coreStoreDumpString)")
         }
         
         let modelFileURL = URL(fileURLWithPath: modelFilePath)