diff --git a/src/Renderer.js b/src/Renderer.js
index 772d8d93655..d3dd23b50af 100644
--- a/src/Renderer.js
+++ b/src/Renderer.js
@@ -24,6 +24,7 @@ export function Renderer(options) {
   this.handlers = {};
   this.id = id;
   this.renderNow = renderNow;
+  this.adUnitCode = adUnitCode;
 
   // a renderer may push to the command queue to delay rendering until the
   // render function is loaded by loadExternalScript, at which point the the command
@@ -101,7 +102,7 @@ Renderer.prototype.process = function() {
     try {
       this.cmd.shift().call();
     } catch (error) {
-      logError('Error processing Renderer command: ', error);
+      logError(`Error processing Renderer command on ad unit '${this.adUnitCode}':`, error);
     }
   }
 };
diff --git a/src/adapters/bidderFactory.js b/src/adapters/bidderFactory.js
index 2e3f2f3ec8f..23a1fe79c88 100644
--- a/src/adapters/bidderFactory.js
+++ b/src/adapters/bidderFactory.js
@@ -310,7 +310,7 @@ export function newBidder(spec) {
           }
           adapterManager.callBidderError(spec.code, error, bidderRequest)
           events.emit(EVENTS.BIDDER_ERROR, { error, bidderRequest });
-          logError(`Server call for ${spec.code} failed: ${errorMessage} ${error.status}. Continuing without bids.`);
+          logError(`Server call for ${spec.code} failed: ${errorMessage} ${error.status}. Continuing without bids.`, {bidRequests: validBidRequests});
         },
         onBid: (bid) => {
           const bidRequest = bidRequestMap[bid.requestId];