diff --git a/tests/problems/eclproblem.hh b/tests/problems/eclproblem.hh
index 4090908f4..c5a57c5e8 100644
--- a/tests/problems/eclproblem.hh
+++ b/tests/problems/eclproblem.hh
@@ -312,7 +312,7 @@ public:
      */
     bool shouldWriteOutput()
     {
-        if (this->simulator().timeStepIndex() == 0)
+        if (this->simulator().timeStepIndex() < 0)
             // always write the initial solution
             return true;