diff --git a/files/ipa-backup-wrapper.sh b/files/ipa-backup-wrapper.sh
index c5434b8..ab76090 100755
--- a/files/ipa-backup-wrapper.sh
+++ b/files/ipa-backup-wrapper.sh
@@ -1,10 +1,10 @@
 #!/bin/sh
 #
-# Script to work around the fact that ipa-backup always adds timestamps to the 
+# Script to work around the fact that ipa-backup always adds timestamps to the
 # backups. This is not intended to be used standalone, but from Puppet-managed
 # cronjobs.
 #
-# NOTE: this script will destroy old timestamped backup directories if timestamp 
+# NOTE: this script will destroy old timestamped backup directories if timestamp
 # is set to false.
 
 TYPE=$1
@@ -24,7 +24,7 @@ else
 fi
 
 if [ "$TIMESTAMP" = "true" ]; then
-    # ipa-backup outputs only to stderr so we can't simply redirect to /dev/null 
+    # ipa-backup outputs only to stderr so we can't simply redirect to /dev/null
     # and expect cron to email us about errors.
     $BACKUP_COMMAND 2> /dev/null || echo "ERROR: $BACKUP_COMMAND failed!"
 
@@ -36,7 +36,7 @@ elif [ "$TIMESTAMP" = "false" ]; then
     $BACKUP_COMMAND 2> /dev/null || echo "ERROR: $BACKUP_COMMAND failed!"
 
     # Get rid of the timestamp
-    find $BASEDIR -mindepth 1 -maxdepth 1 -type d -name "ipa-${TYPE}*" -exec mv {} $BASEDIR/ipa-$TYPE \;
+    find "$BASEDIR" -mindepth 1 -maxdepth 1 -type d -name "ipa-${TYPE}*" -exec mv {} "${BASEDIR}/ipa-${TYPE}" \;
 else
     echo "ERROR: $TIMESTAMP is not valid value for timestamp!"
     exit 1