diff --git a/ebos/eclproblem.hh b/ebos/eclproblem.hh
index e8517aeb3..e30048f45 100644
--- a/ebos/eclproblem.hh
+++ b/ebos/eclproblem.hh
@@ -779,7 +779,7 @@ public:
         MICPModule::initFromState(vanguard.eclState());
 
         // create the ECL writer
-        eclWriter_.reset(new EclWriterType(simulator));
+        eclWriter_ = std::make_unique<EclWriterType>(simulator);
 
         enableDriftCompensation_ = EWOMS_GET_PARAM(TypeTag, bool, EclEnableDriftCompensation);