diff --git a/ui (gen4)/features/filesystem.js b/ui (gen4)/features/filesystem.js
index 65f971bd..c0cd32e0 100755
--- a/ui (gen4)/features/filesystem.js	
+++ b/ui (gen4)/features/filesystem.js	
@@ -1627,7 +1627,7 @@ var FileSystemWriterActions = actions.Actions({
 			logger = logger || this.logger
 			logger = logger && logger.push('Backup')
 
-			do{
+			do {
 				var d = Date.timeStamp()
 				var backup_dir = `${pathlib.dirname(path)}/.${pathlib.basename(path)}.${d}`
 			} while(fse.existsSync(backup_dir))
diff --git a/ui (gen4)/lib/util.js b/ui (gen4)/lib/util.js
index fa02c8a3..4242a26f 100755
--- a/ui (gen4)/lib/util.js	
+++ b/ui (gen4)/lib/util.js	
@@ -336,7 +336,7 @@ module.patchDate = function(date){
 	date.prototype.toShortDate = function(show_ms){
 		return '' 
 			+ this.getFullYear()
-			+'-'+ ('0'+this.getMonth()+1).slice(-2)
+			+'-'+ ('0'+(this.getMonth()+1)).slice(-2)
 			+'-'+ ('0'+this.getDate()).slice(-2)
 			+' '+ ('0'+this.getHours()).slice(-2)
 			+':'+ ('0'+this.getMinutes()).slice(-2)
@@ -347,7 +347,7 @@ module.patchDate = function(date){
 	date.prototype.getTimeStamp = function(show_ms){
 		return '' 
 			+ this.getFullYear()
-			+ ('0'+this.getMonth()+1).slice(-2)
+			+ ('0'+(this.getMonth()+1)).slice(-2)
 			+ ('0'+this.getDate()).slice(-2)
 			+ ('0'+this.getHours()).slice(-2)
 			+ ('0'+this.getMinutes()).slice(-2)