diff --git a/tutorials/combustion/reactingFoam/RAS/membrane/Allrun b/tutorials/combustion/reactingFoam/RAS/membrane/Allrun
index 94aa8a2b2e..f1e90c9e9e 100755
--- a/tutorials/combustion/reactingFoam/RAS/membrane/Allrun
+++ b/tutorials/combustion/reactingFoam/RAS/membrane/Allrun
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-cd ${0%/*} || exit 1 cd ${0%/*} || exit 1
+cd ${0%/*} || exit 1
 
 . $WM_PROJECT_DIR/bin/tools/RunFunctions