1 files changed, 1 insertions, 1 deletions
diff --git a/packages/base-contract/src/index.ts b/packages/base-contract/src/index.ts
index cb9042415..6b970ec27 100644
--- a/packages/base-contract/src/index.ts
+++ b/packages/base-contract/src/index.ts
@@ -80,7 +80,7 @@ export class BaseContract {
             // Awaiting https://github.com/Microsoft/TypeScript/pull/13288 to be merged
         } as any;
         if (_.isUndefined(txDataWithDefaults.gas) && !_.isUndefined(estimateGasAsync)) {
-            txDataWithDefaults.gas = await estimateGasAsync(txData);
+            txDataWithDefaults.gas = await estimateGasAsync(txDataWithDefaults as any);
         }
         return txDataWithDefaults;
     }