diff --git a/tutorials/multiphase/multiphaseInterFoam/laminar/damBreak4phaseFine/system/fvSolution b/tutorials/multiphase/multiphaseInterFoam/laminar/damBreak4phaseFine/system/fvSolution
index 75d2e7f14f..17f0b28c01 100644
--- a/tutorials/multiphase/multiphaseInterFoam/laminar/damBreak4phaseFine/system/fvSolution
+++ b/tutorials/multiphase/multiphaseInterFoam/laminar/damBreak4phaseFine/system/fvSolution
@@ -83,7 +83,7 @@ solvers
         maxIter         20;
     }
 
-    "(U|alpha)"
+    U
     {
         solver          smoothSolver;
         smoother        GaussSeidel;
diff --git a/tutorials/multiphase/multiphaseInterFoam/laminar/mixerVessel2D/system/fvSolution b/tutorials/multiphase/multiphaseInterFoam/laminar/mixerVessel2D/system/fvSolution
index b91128d1b5..26a94ec389 100644
--- a/tutorials/multiphase/multiphaseInterFoam/laminar/mixerVessel2D/system/fvSolution
+++ b/tutorials/multiphase/multiphaseInterFoam/laminar/mixerVessel2D/system/fvSolution
@@ -48,7 +48,7 @@ solvers
         relTol          0;
     }
 
-    "(U|alpha)"
+    U
     {
         solver          smoothSolver;
         smoother        symGaussSeidel;