diff --git a/tutorials/compressible/dbnsTurbFoam/naca0012/Allclean b/tutorials/compressible/dbnsTurbFoam/naca0012/Allclean
index ae26f5ebf..27ad0505a 100755
--- a/tutorials/compressible/dbnsTurbFoam/naca0012/Allclean
+++ b/tutorials/compressible/dbnsTurbFoam/naca0012/Allclean
@@ -5,3 +5,4 @@
 
 cleanCase
 \rm -rf constant/polyMesh/*
+\rm -f naca0012.cas
diff --git a/tutorials/compressible/dbnsTurbFoam/naca0012/Allrun b/tutorials/compressible/dbnsTurbFoam/naca0012/Allrun
index e58f5c4f7..5fb479684 100755
--- a/tutorials/compressible/dbnsTurbFoam/naca0012/Allrun
+++ b/tutorials/compressible/dbnsTurbFoam/naca0012/Allrun
@@ -7,4 +7,5 @@ application="dbnsTurbFoam"
 
 gunzip naca0012.cas.gz
 runApplication fluentMeshToFoam naca0012.cas
+gzip naca0012.cas
 runApplication $application