diff --git a/lib/factorio/server.js b/lib/factorio/server.js
index 028ee217..d2934d9f 100644
--- a/lib/factorio/server.js
+++ b/lib/factorio/server.js
@@ -505,7 +505,9 @@ class FactorioServer extends events.EventEmitter {
 			throw new Error(`Unknown IPC type '${type}'`);
 		}
 
-		this.emit(`ipc-${channel}`, content);
+		if (!this.emit(`ipc-${channel}`, content)) {
+			console.warn(`Warning: Unhandled ipc-${channel}`, content);
+		}
 	}
 
 	_handleOutput(line, source) {