diff --git a/webapp/packages/core-executor/src/Executor.ts b/webapp/packages/core-executor/src/Executor.ts
index 3e37bea55c..ade38ab0f0 100644
--- a/webapp/packages/core-executor/src/Executor.ts
+++ b/webapp/packages/core-executor/src/Executor.ts
@@ -47,7 +47,7 @@ export class Executor<T> implements IExecutor<T> {
   }
 
   removeHandler(handler: IExecutorHandler<T>) {
-    this.handlers = this.handlers.filter(h => h === handler);
+    this.handlers = this.handlers.filter(h => h !== handler);
   }
 
   addPostHandler(handler: IExecutorHandler<T>) {
@@ -56,6 +56,6 @@ export class Executor<T> implements IExecutor<T> {
   }
 
   removePostHandler(handler: IExecutorHandler<T>) {
-    this.postHandlers = this.postHandlers.filter(h => h === handler);
+    this.postHandlers = this.postHandlers.filter(h => h !== handler);
   }
 }