diff --git a/test/test.ts b/test/test.ts
index ae52aca..51ddb06 100644
--- a/test/test.ts
+++ b/test/test.ts
@@ -17,10 +17,12 @@ tap.test('should create a new class', async () => {
 
 tap.test('key1 should be not be overwritten since it is already present', async () => {
   expect(process.env.key1).to.equal('original');
+  expect(qenvTestObject.getEnvVarOnDemand('key1')).to.equal('original');
 });
 
 tap.test('key2 should be read from Yml', async () => {
   expect(process.env.key2).to.equal('fromYml');
+  expect(qenvTestObject.getEnvVarOnDemand('key2')).to.equal('fromYml');
 });
 
 tap.test('keyValueObjectArray should hold all retrieved values', async () => {
diff --git a/ts/qenv.classes.qenv.ts b/ts/qenv.classes.qenv.ts
index dd44aaf..5b8875c 100644
--- a/ts/qenv.classes.qenv.ts
+++ b/ts/qenv.classes.qenv.ts
@@ -189,5 +189,5 @@ export class Qenv {
       }
     }
     return missingEnvVars;
-  };
+  }
 }