diff --git a/core/takserver/src/commonMain/kotlin/org/meshtastic/core/takserver/TAKDefaults.kt b/core/takserver/src/commonMain/kotlin/org/meshtastic/core/takserver/TAKDefaults.kt
index e228bd2673..3ac0226d7f 100644
--- a/core/takserver/src/commonMain/kotlin/org/meshtastic/core/takserver/TAKDefaults.kt
+++ b/core/takserver/src/commonMain/kotlin/org/meshtastic/core/takserver/TAKDefaults.kt
@@ -24,7 +24,13 @@ import org.meshtastic.proto.User
 // a single exported data package (containing truststore.p12 + client.p12) works for
 // both Meshtastic-iOS and Meshtastic-Android without reconfiguration in ATAK/iTAK.
 internal const val DEFAULT_TAK_PORT = 8089
-internal const val DEFAULT_TAK_ENDPOINT = "0.0.0.0:4242:tcp"
+
+// Default contact endpoint for mesh peers (the real endpoint is never carried over
+// LoRa). MUST be the TAK "reply via this server" form `*:-1:stcp`: it makes ATAK route
+// directed GeoChat / TAK-Talk (`<marti>`) back down the Meshtastic server stream. A
+// concrete host (e.g. `0.0.0.0:4242:tcp`) makes ATAK attempt a dead direct connection,
+// so directed messages never reach the mesh while broadcast PLI still works.
+internal const val DEFAULT_TAK_ENDPOINT = "*:-1:stcp"
 
 // Bundled certificate password — matches iOS (`"meshtastic"`). Used for the
 // server.p12 / client.p12 PKCS#12 files shipped under `tak_certs/` on the classpath.
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index c355c41c37..741786c249 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -88,7 +88,7 @@ kable = "0.43.0"
 mqttastic = "0.3.6"
 jmdns = "3.6.3"
 qrcode-kotlin = "4.5.0"
-takpacket-sdk = "0.5.0"
+takpacket-sdk = "0.5.1"
 
 # Gradle Plugins
 develocity = "4.4.2"