diff --git a/src/hooks/DAO/proposal/usePrepareProposal.ts b/src/hooks/DAO/proposal/usePrepareProposal.ts
index e81a71463c..d8ca234c08 100644
--- a/src/hooks/DAO/proposal/usePrepareProposal.ts
+++ b/src/hooks/DAO/proposal/usePrepareProposal.ts
@@ -10,20 +10,26 @@ export function usePrepareProposal() {
     async (values: CreateProposalForm) => {
       const { transactions, proposalMetadata } = values;
       const transactionsWithEncoding = transactions.map(tx => {
-        return {
-          ...tx,
-          encodedFunctionData: encodeFunction(
-            tx.functionName,
-            tx.parameters.map(parameter => parameter.signature.trim()).join(', '),
-            tx.parameters
-              .map(parameter =>
-                isValidUrl(parameter.value!.trim())
-                  ? encodeURIComponent(parameter.value!.trim()) // If parameter.value is valid URL with special symbols like ":" or "?" - decoding might fail, thus we need to encode URL
-                  : parameter.value!.trim(),
-              )
-              .join(', '),
-          ),
-        };
+        if (!tx.functionName) {
+          return {
+            ...tx,
+            calldata: '0x',
+          };
+        } else {
+          const signature = tx.parameters.map(parameter => parameter.signature.trim()).join(', ');
+          const parameters = tx.parameters
+            .map(parameter =>
+              isValidUrl(parameter.value!.trim())
+                ? encodeURIComponent(parameter.value!.trim()) // If parameter.value is valid URL with special symbols like ":" or "?" - decoding might fail, thus we need to encode URL
+                : parameter.value!.trim(),
+            )
+            .join(', ');
+
+          return {
+            ...tx,
+            calldata: encodeFunction(tx.functionName, signature, parameters),
+          };
+        }
       });
       const targets = await Promise.all(
         transactionsWithEncoding.map(tx => {
@@ -33,12 +39,11 @@ export function usePrepareProposal() {
           return tx.targetAddress;
         }),
       );
+
       return {
         targets,
         values: transactionsWithEncoding.map(transaction => transaction.ethValue.bigNumberValue!),
-        calldatas: transactionsWithEncoding.map(
-          transaction => transaction.encodedFunctionData || '',
-        ),
+        calldatas: transactionsWithEncoding.map(transaction => transaction.calldata || ''),
         metaData: {
           title: proposalMetadata.title,
           description: proposalMetadata.description,