diff --git a/komga/src/main/kotlin/org/gotson/komga/infrastructure/kobo/KoboProxy.kt b/komga/src/main/kotlin/org/gotson/komga/infrastructure/kobo/KoboProxy.kt
index 67e628f29..6aa3da1a3 100644
--- a/komga/src/main/kotlin/org/gotson/komga/infrastructure/kobo/KoboProxy.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/infrastructure/kobo/KoboProxy.kt
@@ -50,6 +50,7 @@ class KoboProxy(
       HttpHeaders.USER_AGENT,
       HttpHeaders.ACCEPT,
       HttpHeaders.ACCEPT_LANGUAGE,
+      HttpHeaders.CONTENT_TYPE,
     )
 
   private val headersOutExclude =