diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/BookController.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/BookController.kt
index be7384131..53220ede4 100644
--- a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/BookController.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/BookController.kt
@@ -391,7 +391,6 @@ class BookController(
               },
             )
             .contentType(getMediaTypeOrDefault(media.mediaType))
-            .contentLength(this.contentLength())
             .body(stream)
         }
       } catch (ex: FileNotFoundException) {