diff --git a/lib/towerops_web/channels/agent_channel.ex b/lib/towerops_web/channels/agent_channel.ex
index 0a3e5cbc..57c7d509 100644
--- a/lib/towerops_web/channels/agent_channel.ex
+++ b/lib/towerops_web/channels/agent_channel.ex
@@ -254,10 +254,19 @@ defmodule ToweropsWeb.AgentChannel do
       {:noreply, socket}
     else
       {:error, {type, message}} ->
-        Logger.error("Invalid SNMP result from agent",
+        Logger.error("Invalid SNMP result from agent: #{type} - #{message}",
           agent_token_id: socket.assigns.agent_token_id,
           error_type: type,
-          error_message: message
+          error_message: message,
+          binary_size: byte_size(binary_b64)
+        )
+
+        {:noreply, socket}
+
+      {:error, :base64_decode_failed} ->
+        Logger.error("Failed to decode SNMP result (invalid base64)",
+          agent_token_id: socket.assigns.agent_token_id,
+          binary_size: byte_size(binary_b64)
         )
 
         {:noreply, socket}