diff --git a/src/util/safeExec.ts b/src/util/safeExec.ts
index a03fe59d2..50369529f 100644
--- a/src/util/safeExec.ts
+++ b/src/util/safeExec.ts
@@ -3,7 +3,11 @@ import { handleError } from './handleError';
 
 const SAFE_EXEC_ENABLED = !DEBUG_MORE;
 
-export default function safeExec(cb: Function, rescue?: (err: Error) => void, always?: NoneToVoidFunction) {
+export default function safeExec<F extends AnyFunction>(
+  cb: F,
+  rescue?: (err: Error) => void,
+  always?: NoneToVoidFunction,
+): ReturnType<F> | undefined {
   if (!SAFE_EXEC_ENABLED) {
     return cb();
   }