diff --git a/generated.ts b/generated.ts
index d2ef1a5..1d8145c 100644
--- a/generated.ts
+++ b/generated.ts
@@ -64,6 +64,7 @@ export function loadBool(slice: Slice): Bool {
 		};
 	};
 	if (slice.preloadUint(1) == 0b1) {
+		let b: number;
 		b = slice.loadUint(32);
 		return {
 			kind: 'Bool_bool_true',
diff --git a/tests/my.spec.ts b/tests/my.spec.ts
index 6372e84..faf92d8 100644
--- a/tests/my.spec.ts
+++ b/tests/my.spec.ts
@@ -706,9 +706,9 @@ describe('parsing into intermediate representation using grammar', () => {
 
         let structTypeParametersExpr: TypeParametersExpression = tTypeParametersExpression([]);
 
-        let variablesDeclared = new Set<string>;          
-
         tlbType.constructors.forEach(constructor => {
+          let variablesDeclared = new Set<string>;          
+
           let constructorLoadStatements: Statement[] = []
           let declaration = constructor.declaration;
           let subStructName: string;