diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/multiRegionHeater/Allclean b/tutorials/heatTransfer/chtMultiRegionFoam/multiRegionHeater/Allclean
index ed0c73a35..1ffed6b90 100755
--- a/tutorials/heatTransfer/chtMultiRegionFoam/multiRegionHeater/Allclean
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/multiRegionHeater/Allclean
@@ -5,7 +5,7 @@
 
 cleanCase
 
-rm 0/cellToRegion 
+rm -f 0/cellToRegion 
 
 if [ -d "VTK" ]
 then