diff --git a/meshtastic/mesh.options b/meshtastic/mesh.options
index a2fe333..c61015e 100644
--- a/meshtastic/mesh.options
+++ b/meshtastic/mesh.options
@@ -58,5 +58,5 @@
 *MqttClientProxyMessage.data max_size:435
 *MqttClientProxyMessage.text max_size:435
 
-*TAK_Packet.callsign_uncompressed max_size:64
-*TAK_Packet.callsign_compressed max_size:64
+*TAK_Packet.callsign_uncompressed max_size:512
+*TAK_Packet.callsign_compressed max_size:241