diff --git a/static/js/core/agents.js b/static/js/core/agents.js
index 2854a2d..cc4d76b 100644
--- a/static/js/core/agents.js
+++ b/static/js/core/agents.js
@@ -340,6 +340,14 @@ function selectAgent(agentId) {
             BluetoothMode.handleAgentChange();
         }
         // Re-enable listen button for local mode
+        const listenBtn = document.getElementById('radioListenBtn');
+        console.log('[agents.js] Enabling listen button, found:', listenBtn);
+        if (listenBtn) {
+            listenBtn.disabled = false;
+            listenBtn.style.opacity = '1';
+            listenBtn.style.cursor = 'pointer';
+            listenBtn.title = 'Listen to current frequency';
+        }
         if (typeof updateListenButtonState === 'function') {
             updateListenButtonState(false);
         }
@@ -362,6 +370,14 @@ function selectAgent(agentId) {
             BluetoothMode.handleAgentChange();
         }
         // Disable listen button for agent mode (audio can't stream over HTTP)
+        const listenBtn = document.getElementById('radioListenBtn');
+        console.log('[agents.js] Disabling listen button, found:', listenBtn);
+        if (listenBtn) {
+            listenBtn.disabled = true;
+            listenBtn.style.opacity = '0.5';
+            listenBtn.style.cursor = 'not-allowed';
+            listenBtn.title = 'Audio listening not available for remote agents';
+        }
         if (typeof updateListenButtonState === 'function') {
             updateListenButtonState(true);
         }
diff --git a/static/js/modes/listening-post.js b/static/js/modes/listening-post.js
index 43e8331..196594d 100644
--- a/static/js/modes/listening-post.js
+++ b/static/js/modes/listening-post.js
@@ -2474,8 +2474,10 @@ function setListeningPostRunning(isRunning, agentId = null) {
         // Update status
         updateScannerDisplay('IDLE', 'var(--text-secondary)');
 
-        // Re-enable listen button
-        updateListenButtonState(false);
+        // Only re-enable listen button if we're in local mode
+        // (agent mode can't stream audio over HTTP)
+        const isAgentMode = typeof currentAgent !== 'undefined' && currentAgent !== 'local';
+        updateListenButtonState(isAgentMode);
 
         // Clear polling
         if (listeningPostPollTimer) {