diff --git a/src/utils/ErrorBoundary.ts b/src/utils/ErrorBoundary.ts
index d13065f9..a4ac459c 100644
--- a/src/utils/ErrorBoundary.ts
+++ b/src/utils/ErrorBoundary.ts
@@ -19,7 +19,7 @@ export const ErrorValue = Symbol("ErrorBoundary:Error");
 export class ErrorBoundary {
     private _error?: Error;
 
-    constructor(private readonly errorCallback: (Error) => void) {}
+    constructor(private readonly errorCallback: (err: Error) => void) {}
 
     /**
      * Executes callback() and then runs errorCallback() on error.
@@ -79,4 +79,4 @@ export function tests() {
             assert.strictEqual(result, 0);
         }
     }
-}
\ No newline at end of file
+}