diff --git a/lib/basedriver/driver.js b/lib/basedriver/driver.js
index 3640484d3..69447b0f3 100644
--- a/lib/basedriver/driver.js
+++ b/lib/basedriver/driver.js
@@ -84,7 +84,10 @@ class BaseDriver extends MobileJsonWireProtocol {
     if (!this._eventHistory[eventName]) {
       this._eventHistory[eventName] = [];
     }
-    this._eventHistory[eventName].push(Date.now());
+    let ts = Date.now();
+    let logTime = (new Date(ts)).toTimeString();
+    this._eventHistory[eventName].push(ts);
+    log.debug(`Event '${eventName}' logged at ${ts} (${logTime})`);
   }
 
   /*