diff --git a/src/ExecutorEncoder.ts b/src/ExecutorEncoder.ts
index 60d8bc8..24d738c 100644
--- a/src/ExecutorEncoder.ts
+++ b/src/ExecutorEncoder.ts
@@ -96,11 +96,19 @@ export class ExecutorEncoder {
 
   constructor(
     public readonly address: string,
-    public readonly runner?: ContractRunner | null,
+    runner?: ContractRunner | null,
   ) {
     this.executor = Executor__factory.connect(address, runner);
   }
 
+  get runner() {
+    const { runner } = this.executor;
+
+    if (!runner) throw Error("runner not available");
+
+    return runner;
+  }
+
   pushCall(target: string, value: BigNumberish, callData: BytesLike, context?: CallbackContext) {
     this.calls.push(ExecutorEncoder.buildCall(target, value, callData, context));