diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/szkolny/interceptor/SignatureInterceptor.kt b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/szkolny/interceptor/SignatureInterceptor.kt
index 8d2becf4..30d0ec7e 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/szkolny/interceptor/SignatureInterceptor.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/szkolny/interceptor/SignatureInterceptor.kt
@@ -26,6 +26,8 @@ class SignatureInterceptor(val app: App) : Interceptor {
                         .header("X-AppVersion", BuildConfig.VERSION_CODE.toString())
                         .header("X-Timestamp", timestamp.toString())
                         .header("X-Signature", sign(timestamp, body, url))
+                        .header("X-AppBuild", BuildConfig.BUILD_TYPE)
+                        .header("X-AppFlavor", BuildConfig.FLAVOR)
                         .build())
     }