diff --git a/src/boilerplate/contract/solidity/nodes/ContractBoilerplateGenerator.ts b/src/boilerplate/contract/solidity/nodes/ContractBoilerplateGenerator.ts
index 8407807b4..4fcc80a0c 100644
--- a/src/boilerplate/contract/solidity/nodes/ContractBoilerplateGenerator.ts
+++ b/src/boilerplate/contract/solidity/nodes/ContractBoilerplateGenerator.ts
@@ -118,7 +118,7 @@ class ContractBoilerplateGenerator {
       let paramtype: string;
       let params : any[];
       let functionName: string;
-      
+
       for ([functionName, parameterList] of Object.entries(circuitParams)) {
         for ([paramtype, params] of Object.entries(parameterList)){
         const returnpara = {};
diff --git a/src/boilerplate/contract/solidity/raw/ContractBoilerplateGenerator.ts b/src/boilerplate/contract/solidity/raw/ContractBoilerplateGenerator.ts
index abae7a1b3..6535ffbae 100644
--- a/src/boilerplate/contract/solidity/raw/ContractBoilerplateGenerator.ts
+++ b/src/boilerplate/contract/solidity/raw/ContractBoilerplateGenerator.ts
@@ -121,7 +121,7 @@ class ContractBoilerplateGenerator {
       let verifyInput: string[] = [];
   
       const verifyInputsMap = (type: string, input: string, counter: any) => {
-  
+        
         if(type  === 'parameters'){
         switch (input) {
           case 'nullifierRoot':  
@@ -149,6 +149,7 @@ class ContractBoilerplateGenerator {
         }
       }
         else if(type  === 'returnParameters') {
+
           switch (input) {
             case 'encryption':
               verifyInput.push( `
diff --git a/src/transformers/visitors/toContractVisitor.ts b/src/transformers/visitors/toContractVisitor.ts
index 9e5c6618f..6a91bdef0 100644
--- a/src/transformers/visitors/toContractVisitor.ts
+++ b/src/transformers/visitors/toContractVisitor.ts
@@ -29,13 +29,13 @@ const findCustomInputsVisitor = (thisPath: NodePath, thisState: any) => {
           item.expression.components.forEach(element => {
             if(element.kind === 'bool'){
               thisState.customInputs ??= [];
-              thisState.customInputs.push({name: '1', typeName: {name: 'bool'}});
+              thisState.customInputs.push({name: '1', typeName: {name: 'bool'}, isReturn: true});
             }
           });
         } else {
           if(item.expression.kind === 'bool'){
             thisState.customInputs ??= [];
-            thisState.customInputs.push({name: '1', typeName: {name: 'bool'}});
+            thisState.customInputs.push({name: '1', typeName: {name: 'bool'}, isReturn: true});
           }
         }
       }
@@ -44,7 +44,7 @@ const findCustomInputsVisitor = (thisPath: NodePath, thisState: any) => {
   if(thisPath.getAncestorOfType('Return') && binding instanceof VariableBinding && binding.isSecret){
    thisState.customInputs ??= [];
    if(thisState.variableName.includes(indicator.node.name))
-    thisState.customInputs.push({name: 'newCommitments['+(thisState.variableName.indexOf(indicator.node.name))+']', typeName: {name: 'uint256'}});
+    thisState.customInputs.push({name: 'newCommitments['+(thisState.variableName.indexOf(indicator.node.name))+']', typeName: {name: 'uint256'}, isReturn: true});
   }
 
   // for some reason, node.interactsWithSecret has disappeared here but not in toCircuit
@@ -61,7 +61,7 @@ const findCustomInputsVisitor = (thisPath: NodePath, thisState: any) => {
     thisState.customInputs ??= [];
     const type = binding.node.typeName.nodeType === 'Mapping' ? binding.node.typeName.valueType.name : binding.node.typeName.name;
     if (!thisState.customInputs.some((input: any) => input.name === indicator?.name))
-      thisState.customInputs.push({name: indicator?.name, typeName: {name: type}, isConstantArray: thisPath.isConstantArray() ? thisPath.node.typeName.length.value : false, inCircuit: true });
+      thisState.customInputs.push({name: indicator?.name, typeName: {name: type}, isConstantArray: thisPath.isConstantArray() ? thisPath.node.typeName.length.value : false, inCircuit: true, isReturn: false });
   }
 };
 
@@ -431,7 +431,7 @@ export default {
        path.traversePathsFast(findCustomInputsVisitor, state);
        state.returnpara ??= {};
        state.returnpara[state.functionName] ??= {};
-       state.returnpara[state.functionName].returnParameters = state.customInputs.map(n => n.name);
+       state.returnpara[state.functionName].returnParameters = state.customInputs.filter(n => n.isReturn).map(n => n.name );
        const newNode = buildNode(
        node.nodeType,
        { value: node.expression.value });
diff --git a/test/contracts/Return-Bool.zol b/test/contracts/Return-Bool.zol
new file mode 100644
index 000000000..8874f6552
--- /dev/null
+++ b/test/contracts/Return-Bool.zol
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: CC0
+pragma solidity ^0.8.0;
+contract Assign {
+  secret bool private a;
+  secret bool private c;
+  bool public d;
+  bool public g;
+
+  function add( secret uint256 value, secret bool value_bool, bool value_publicbool) public returns (bool){
+    secret bool l = true;
+    bool m = false;
+    c = a && m && d;
+    if(value > 10 && !c) {
+      c=true;
+      a= value_bool && value_publicbool;
+    }
+    if( value < 10) {
+        a =!c;
+        c= l || a || m;
+    }
+    return a;
+  }
+}
\ No newline at end of file