diff --git a/.github/workflows/bundled-lint-and-test.yaml b/.github/workflows/bundled-lint-and-test.yaml
index 5f310491..aea0feeb 100644
--- a/.github/workflows/bundled-lint-and-test.yaml
+++ b/.github/workflows/bundled-lint-and-test.yaml
@@ -23,8 +23,9 @@ on:
     branches: [ main ]
   pull_request:
     paths:
-      - "src/**"
-      - "Cargo.*"
+      - ".github/**"
+      - "**/src/**"
+      - "**/Cargo.*"
   workflow_call:
   workflow_dispatch:
 
diff --git a/.github/workflows/unbundled-lint-and-test.yaml b/.github/workflows/unbundled-lint-and-test.yaml
index aec25979..c1f5499e 100644
--- a/.github/workflows/unbundled-lint-and-test.yaml
+++ b/.github/workflows/unbundled-lint-and-test.yaml
@@ -27,8 +27,9 @@ on:
     branches: [ main ]
   pull_request:
     paths:
-      - "src/**"
-      - "Cargo.*"
+      - ".github/**"
+      - "**/src/**"
+      - "**/Cargo.*"
   workflow_call:
   workflow_dispatch:
 
diff --git a/up-streamer/src/ustreamer.rs b/up-streamer/src/ustreamer.rs
index 0655a33f..7135ad61 100644
--- a/up-streamer/src/ustreamer.rs
+++ b/up-streamer/src/ustreamer.rs
@@ -21,7 +21,7 @@ use std::collections::{HashMap, HashSet};
 use std::hash::{Hash, Hasher};
 use std::ops::Deref;
 use std::thread;
-use up_rust::{UCode, UListener, UMessage, UStatus, UTransport, UUIDBuilder, UUri};
+use up_rust::{UCode, UListener, UMessage, UPayloadFormat, UStatus, UTransport, UUIDBuilder, UUri};
 
 const USTREAMER_TAG: &str = "UStreamer:";
 const USTREAMER_FN_NEW_TAG: &str = "new():";
@@ -712,6 +712,18 @@ impl UListener for ForwardingListener {
             FORWARDING_LISTENER_FN_ON_RECEIVE_TAG,
             &msg
         );
+
+        if msg.attributes.payload_format.enum_value_or_default() == UPayloadFormat::UPAYLOAD_FORMAT_SHM {
+            debug!(
+                "{}:{}:{} Received message with type UPAYLOAD_FORMAT_SHM, which is not supported. A pointer to shared memory will not be usable on another device. UAttributes: {:#?}",
+                self.forwarding_id,
+                FORWARDING_LISTENER_TAG,
+                FORWARDING_LISTENER_FN_ON_RECEIVE_TAG,
+                &msg.attributes
+            );
+            return;
+        }
+
         if let Err(e) = self.sender.send(Arc::new(msg)).await {
             error!(
                 "{}:{}:{} Unable to send message to worker pool: {e:?}",