diff --git a/update.sh b/update.sh
index 3e209884..c91db91b 100755
--- a/update.sh
+++ b/update.sh
@@ -1,4 +1,5 @@
 #!/bin/bash -e
+cd "$(dirname "$0")"
 
 if [ -d data-backup ]; then
    echo "ERROR: Backup directory exists. May be previous restoring was failed?"