diff --git a/src/layer/GeoJSONWorkerLayer.js b/src/layer/GeoJSONWorkerLayer.js
index 1270265..ebb8190 100644
--- a/src/layer/GeoJSONWorkerLayer.js
+++ b/src/layer/GeoJSONWorkerLayer.js
@@ -49,7 +49,9 @@ class GeoJSONWorkerLayer extends Layer {
     }
 
     // Process GeoJSON
-    return this._process(this._geojson);
+    return this._process(this._geojson).catch((err) => {
+      console.error(err);
+    });
   }
 
   // Use workers to request and process GeoJSON, returning data structure
diff --git a/src/layer/tile/GeoJSONTile.js b/src/layer/tile/GeoJSONTile.js
index e1813fe..1b2cbfa 100644
--- a/src/layer/tile/GeoJSONTile.js
+++ b/src/layer/tile/GeoJSONTile.js
@@ -349,7 +349,9 @@ class GeoJSONTile extends Tile {
 
       this._ready = true;
       // console.timeEnd(this._tile);
-    }).catch(() => {});
+    }).catch((err) => {
+      console.error(err);
+    });
   }
 
   _abortRequest() {