diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/model/Book.kt b/komga/src/main/kotlin/org/gotson/komga/domain/model/Book.kt
index 9ae6e4e07..9d9b682a4 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/model/Book.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/model/Book.kt
@@ -79,5 +79,5 @@ class Book(
 
   fun fileSizeHumanReadable(): String = BinaryByteUnit.format(fileSize)
 
-  override fun toString(): String = url.toURI().path
+  override fun toString(): String = "Book($id, ${url.toURI().path})"
 }
diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/model/Series.kt b/komga/src/main/kotlin/org/gotson/komga/domain/model/Series.kt
index 400737f71..093c5ac0d 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/model/Series.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/model/Series.kt
@@ -72,5 +72,5 @@ class Series(
     this.books = books.toList()
   }
 
-  override fun toString(): String = url.toURI().path
+  override fun toString(): String = "Series($id, ${url.toURI().path})"
 }