1 files changed, 5 insertions, 0 deletions
diff --git a/extensions/web/03_abort_signal.js b/extensions/web/03_abort_signal.js
index 5d7e10bb2..6551380da 100644
--- a/extensions/web/03_abort_signal.js
+++ b/extensions/web/03_abort_signal.js
@@ -60,6 +60,9 @@
     }
   }
   defineEventHandler(AbortSignal.prototype, "abort");
+
+  webidl.configurePrototype(AbortSignal);
+
   class AbortController {
     #signal = new AbortSignal(illegalConstructorKey);
 
@@ -76,6 +79,8 @@
     }
   }
 
+  webidl.configurePrototype(AbortController);
+
   const handlerSymbol = Symbol("eventHandlers");
 
   function makeWrappedHandler(handler) {