diff --git a/tutorials/compressible/overRhoSimpleFoam/hotCylinder/cylinderAndBackground/0.orig/U b/tutorials/compressible/overRhoSimpleFoam/hotCylinder/cylinderAndBackground/0.orig/U
index 7637431aeb581eeaaac177ef836f037b70d10f03..6855c366965f55330c7675141da9decf77e390d5 100644
--- a/tutorials/compressible/overRhoSimpleFoam/hotCylinder/cylinderAndBackground/0.orig/U
+++ b/tutorials/compressible/overRhoSimpleFoam/hotCylinder/cylinderAndBackground/0.orig/U
@@ -45,9 +45,7 @@ boundaryField
 
     topAndBottom
     {
-        type            inletOutlet;
-        inletValue      uniform (0 0 0);
-        value           $internalField;
+        type            slip;
     }
 }