diff --git a/src/nub.ts b/src/nub.ts
index c19403f4a01655e83f5ba0f40c65ba14050f68ab..f28d621d23fc157dfd5023bbb40b49fea54bbc67 100644
--- a/src/nub.ts
+++ b/src/nub.ts
@@ -1,4 +1,4 @@
-import { CalculatorType, ComputeNode } from "./compute-node"; // nghyd build fails when commenting CalculatorType @WTF
+import { CalculatorType, ComputeNode } from "./compute-node";
 import { Dichotomie } from "./dichotomie";
 import { acSection, IParamDefinitionIterator, Pab, ParamDefinition, ParamsEquation,
          ParamsEquationArrayIterator, Session, Structure } from "./index";
@@ -99,7 +99,7 @@ export abstract class Nub extends ComputeNode implements IObservable {
         }
     }
 
-    public get calcType() {
+    public get calcType(): CalculatorType {
         return this._calcType;
     }