diff --git a/tutorials/multiphase/reactingTwoPhaseEulerFoam/laminar/steamInjection/system/fvSolution b/tutorials/multiphase/reactingTwoPhaseEulerFoam/laminar/steamInjection/system/fvSolution
index 6cf90aa61f..2486938d7b 100644
--- a/tutorials/multiphase/reactingTwoPhaseEulerFoam/laminar/steamInjection/system/fvSolution
+++ b/tutorials/multiphase/reactingTwoPhaseEulerFoam/laminar/steamInjection/system/fvSolution
@@ -87,6 +87,11 @@ PIMPLE
 
 relaxationFactors
 {
+    fields
+    {
+        iDmdt 1;
+    }
+
     equations
     {
         ".*"            1;