diff --git a/services/node-agent/index.js b/services/node-agent/index.js
index 67dc78a..e080827 100644
--- a/services/node-agent/index.js
+++ b/services/node-agent/index.js
@@ -410,6 +410,9 @@ async function handleSidecarStart(body, res) {
     } = body;
 
     const binds = [`${LIVE_DIR}:/live`];
+    // Always mount /dev/shm so the sidecar can access framecache slots.
+    if (fs.existsSync('/dev/shm')) binds.push('/dev/shm:/dev/shm');
+
     if (sourceType === 'sdi') binds.unshift('/dev/blackmagic:/dev/blackmagic');
     if (sourceType === 'deltacast') {
       // Bind each /dev/deltacast* node that exists on the host into the container.
@@ -417,8 +420,6 @@ async function handleSidecarStart(body, res) {
       try {
         const dcEntries = fs.readdirSync('/dev').filter(n => /^deltacast\d+$/.test(n));
         for (const d of dcEntries) binds.push(`/dev/${d}:/dev/${d}`);
-        // VideoMaster SDK needs the board IPC shared-memory segment mounted too.
-        if (fs.existsSync('/dev/shm/deltacast')) binds.push('/dev/shm/deltacast:/dev/shm/deltacast');
       } catch (_) { /* /dev always exists */ }
     }