diff --git a/arch/portduino/portduino.ini b/arch/portduino/portduino.ini
index 7e3557475..351c7e65c 100644
--- a/arch/portduino/portduino.ini
+++ b/arch/portduino/portduino.ini
@@ -1,6 +1,6 @@
 ; The Portduino based sim environment on top of any host OS, all hardware will be simulated
 [portduino_base]
-platform = https://github.com/meshtastic/platform-native.git#096b3c3e9c5c8e19d4c3b6cd803fffef2a9be4c5
+platform = https://github.com/meshtastic/platform-native.git#489ff929dca0bb768256ba2de45f95815111490f
 framework = arduino
 
 build_src_filter = 
@@ -27,4 +27,4 @@ lib_deps =
 build_flags =
   ${arduino_base.build_flags}
   -fPIC
-  -Isrc/platform/portduino
+  -Isrc/platform/portduino
\ No newline at end of file
diff --git a/src/mesh/FloodingRouter.cpp b/src/mesh/FloodingRouter.cpp
index d8861943e..171199277 100644
--- a/src/mesh/FloodingRouter.cpp
+++ b/src/mesh/FloodingRouter.cpp
@@ -21,6 +21,7 @@ bool FloodingRouter::shouldFilterReceived(const meshtastic_MeshPacket *p)
 {
     if (wasSeenRecently(p)) { // Note: this will also add a recent packet record
         printPacket("Ignoring incoming msg, because we've already seen it", p);
+        Router::cancelSending(p->from, p->id); // cancel rebroadcast of this message *if* there was already one
         return true;
     }
 
@@ -62,4 +63,4 @@ void FloodingRouter::sniffReceived(const meshtastic_MeshPacket *p, const meshtas
     }
     // handle the packet as normal
     Router::sniffReceived(p, c);
-}
+}
\ No newline at end of file