diff --git a/src/layer/GeoJSONWorkerLayer.js b/src/layer/GeoJSONWorkerLayer.js
index 8ef21c1..1270265 100644
--- a/src/layer/GeoJSONWorkerLayer.js
+++ b/src/layer/GeoJSONWorkerLayer.js
@@ -150,7 +150,7 @@ class GeoJSONWorkerLayer extends Layer {
         } else {
           resolve();
         }
-      });
+      }).catch(reject);
     });
   }
 
@@ -775,7 +775,7 @@ class GeoJSONWorkerLayer extends Layer {
             });
           });
         });
-      });
+      }).catch(reject);
     });
   }
 
diff --git a/src/util/WorkerPool.js b/src/util/WorkerPool.js
index 600ee0e..ff08329 100644
--- a/src/util/WorkerPool.js
+++ b/src/util/WorkerPool.js
@@ -98,6 +98,11 @@ class WorkerPool {
 
       // Return result in deferred task promise
       task.deferred.resolve(result);
+    }).catch((err) => {
+      // Trigger task processing
+      this.processTasks();
+
+      task.deferred.reject(err);
     });
   }
 }