diff --git a/utils/common b/utils/common
index 10b2ab6..7f8b013 100755
--- a/utils/common
+++ b/utils/common
@@ -58,7 +58,7 @@ function archive_system {
 function restore_files {
 	local log_out=$(realpath "${0%/*}/.log.1")
 	[[ -e $1 ]] && log "ERROR" "Restore function was called without any arguments." "$log_out"
-	local backup_file="/tmp/microsoft-edge-autoupdater/$(echo $1 | 's/\//_/').tar.gz"
+	local backup_file="/tmp/microsoft-edge-autoupdater/$(echo $1 | sed 's/\//_/').tar.gz"
 	[[ -f "$backup_file" ]] && { log "ERROR" "There is no backup of Microsoft Edge (Beta) identified. Restoration not possible." "$log_out" ; return 12 ; }
 	tar -xzf "$backup_file" "/" > "/tmp/microsoft-edge-autoupdater/tar_dump.log" 2>>"$log_out"
 	exit_code=$?