diff --git a/packages/abi-gen-templates/partials/tx.handlebars b/packages/abi-gen-templates/partials/tx.handlebars
index 6d5673c1f5..e9b902dbb8 100644
--- a/packages/abi-gen-templates/partials/tx.handlebars
+++ b/packages/abi-gen-templates/partials/tx.handlebars
@@ -8,10 +8,11 @@ public {{this.tsName}} = {
         {{/each}}
         const self = this as any as {{contractName}}Contract;
         const encodedData = self._strictEncodeArguments('{{this.functionSignature}}', [{{> params inputs=inputs}}]);
+        const passedInTxData = txData === undefined ? {} : txData;
         const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
             {
                 to: self.address,
-                ...txData,
+                ...passedInTxData,
                 data: encodedData,
             },
             self._web3Wrapper.getContractDefaults(),
@@ -59,10 +60,11 @@ public {{this.tsName}} = {
         {{/each}}
         const self = this as any as {{contractName}}Contract;
         const encodedData = self._strictEncodeArguments('{{this.functionSignature}}', [{{> params inputs=inputs}}]);
+        const passedInTxData = txData === undefined ? {} : txData;
         const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
             {
                 to: self.address,
-                ...txData,
+                ...passedInTxData,
                 data: encodedData,
             },
             self._web3Wrapper.getContractDefaults(),