diff --git a/tools/appliance/build.sh b/tools/appliance/build.sh
index 164494533df..f479e5ab089 100644
--- a/tools/appliance/build.sh
+++ b/tools/appliance/build.sh
@@ -42,14 +42,13 @@ done
 machine_uuid=`vboxmanage showvminfo $appliance | grep UUID | head -1 | awk '{print $2}'`
 hdd_uuid=`vboxmanage showvminfo $appliance | grep vdi | head -1 | awk '{print $8}' | cut -d ')' -f 1`
 hdd_path=`vboxmanage list hdds | grep $appliance | grep vdi | cut -c 14-`
-shared_folders=`vboxmanage showvminfo $appliance | grep Name | grep Host | cut -c 8- | cut -d \' -f 1`
+shared_folders=`vboxmanage showvminfo $appliance | grep Name | grep Host`
 
 # Remove any shared folder
-while [[ $shared_folders != "" ]]
+while [ "$shared_folders" != "" ]
 do
-  folder=`echo $shared_folders | head -1`
-  vboxmanage sharedfolder remove systemvmtemplate --name $folder
-  shared_folders=`echo $shared_folders | grep -v $folder`
+  vboxmanage sharedfolder remove systemvmtemplate --name "`echo $shared_folders | head -1 | cut -c 8- | cut -d \' -f 1`"
+  shared_folders=`vboxmanage showvminfo $appliance | grep Name | grep Host`
 done
 
 # Compact the virtual hdd