diff --git a/test/multiphase/multiphaseEulerFoam/populationBalance/drift/system/fvSolution b/test/multiphase/multiphaseEulerFoam/populationBalance/drift/system/fvSolution
index 59d55fee69..3c4168e624 100644
--- a/test/multiphase/multiphaseEulerFoam/populationBalance/drift/system/fvSolution
+++ b/test/multiphase/multiphaseEulerFoam/populationBalance/drift/system/fvSolution
@@ -61,7 +61,9 @@ PIMPLE
     pRefCell        0;
     pRefValue       1e5;
 
-    frozenFlow      yes;
+    flow            no;
+    thermophysics   yes;
+    models          yes;
 }
 
 relaxationFactors
diff --git a/test/multiphase/multiphaseEulerFoam/populationBalance/negativeDrift/system/fvSolution b/test/multiphase/multiphaseEulerFoam/populationBalance/negativeDrift/system/fvSolution
index 59d55fee69..3c4168e624 100644
--- a/test/multiphase/multiphaseEulerFoam/populationBalance/negativeDrift/system/fvSolution
+++ b/test/multiphase/multiphaseEulerFoam/populationBalance/negativeDrift/system/fvSolution
@@ -61,7 +61,9 @@ PIMPLE
     pRefCell        0;
     pRefValue       1e5;
 
-    frozenFlow      yes;
+    flow            no;
+    thermophysics   yes;
+    models          yes;
 }
 
 relaxationFactors