diff --git a/src/boilerplate/orchestration/javascript/raw/boilerplate-generator.ts b/src/boilerplate/orchestration/javascript/raw/boilerplate-generator.ts
index 52b28fb5..507b2a9e 100644
--- a/src/boilerplate/orchestration/javascript/raw/boilerplate-generator.ts
+++ b/src/boilerplate/orchestration/javascript/raw/boilerplate-generator.ts
@@ -114,6 +114,7 @@ class BoilerplateGenerator {
               ${stateName}_newOwnerPublicKey = ${newOwnerStatment}
               ${stateVarIds.join('\n')}
               \n
+              ${structProperties.map(sp => `let ${stateName}_${sp}_newCommitmentValue = generalise(0);\n`).join('')}
             `];
           return [`
             \n\n// read preimage for incremented state
diff --git a/src/codeGenerators/orchestration/nodejs/toOrchestration.ts b/src/codeGenerators/orchestration/nodejs/toOrchestration.ts
index 39f83510..6d163a2a 100644
--- a/src/codeGenerators/orchestration/nodejs/toOrchestration.ts
+++ b/src/codeGenerators/orchestration/nodejs/toOrchestration.ts
@@ -126,14 +126,16 @@ export default function codeGenerator(node: any, options: any = {}): any {
 
       if (node.incrementsSecretState && (node.interactsWithSecret || node.expression?.internalFunctionInteractsWithSecret)){
         let privateStateName = node.privateStateName.replace(/\./g, '_');
-        let increments = codeGenerator(node.expression.rightHandSide);
-        if (typeof node.increments === 'object' && node.increments !== null) {
-          if (node.expression.leftHandSide.nodeType === 'MemberAccess'){
-            let propName = node.expression.leftHandSide.memberName;
-            return  `\n${privateStateName}_newCommitmentValue = generalise(${node.increments[propName]});\n`;
-          }
-        };
-        return  `\n${privateStateName}_newCommitmentValue = generalise(parseInt(${privateStateName}_newCommitmentValue.integer, 10) + ${increments});\n`;
+        let increments;
+        if (node.expression.operator === '+='){
+          increments = codeGenerator(node.expression.rightHandSide);
+          return  `\n${privateStateName}_newCommitmentValue = generalise(parseInt(${privateStateName}_newCommitmentValue.integer, 10) + ${increments});\n`;
+        }
+        if (node.expression.operator === '='){
+          increments = codeGenerator(node.expression.rightHandSide);
+          increments = increments.replace(new RegExp(privateStateName, 'g'), `${privateStateName}_newCommitmentValue`);
+          return  `\n${privateStateName}_newCommitmentValue = generalise(${increments});\n`;
+        }
       }
 
       if (!node.interactsWithSecret)
diff --git a/test/contracts/KnownUnknown.zol b/test/contracts/KnownUnknown.zol
index 8f399cec..65975229 100644
--- a/test/contracts/KnownUnknown.zol
+++ b/test/contracts/KnownUnknown.zol
@@ -13,11 +13,11 @@ contract Assign {
 
   
   function add( uint256 value ) public {
-    unknown b += value +a;
+    unknown b = b + value +a;
     unknown x.prop1 += value + a;
     unknown x.prop2 += value;
     unknown b += value;
-    unknown x.prop1 += value;
+    unknown x.prop1 += a;
     a+= value;
   }