diff --git a/services/web/app/coffee/Features/Editor/EditorController.coffee b/services/web/app/coffee/Features/Editor/EditorController.coffee
index 38f788dd41..476ba96174 100644
--- a/services/web/app/coffee/Features/Editor/EditorController.coffee
+++ b/services/web/app/coffee/Features/Editor/EditorController.coffee
@@ -164,12 +164,17 @@ module.exports = EditorController =
 
 	moveEntity: (project_id, entity_id, folder_id, entityType, callback)->
 		Metrics.inc "editor.move-entity"
-		ProjectEntityHandler.moveEntity project_id, entity_id, folder_id, entityType, =>
+		LockManager.getLock project_id, (err)->
 			if err?
-				logger.err err:err, project_id:project_id, entity_id:entity_id, folder_id:folder_id, "error moving entity"
+				logger.err err:err, project_id:project_id, "could not get lock for move entity"
 				return callback(err)
-			EditorRealTimeController.emitToRoom project_id, 'reciveEntityMove', entity_id, folder_id
-			callback?()
+			ProjectEntityHandler.moveEntity project_id, entity_id, folder_id, entityType, =>
+				if err?
+					logger.err err:err, project_id:project_id, entity_id:entity_id, folder_id:folder_id, "error moving entity"
+					return callback(err)
+				LockManager.releaseLock project_id, ->
+					EditorRealTimeController.emitToRoom project_id, 'reciveEntityMove', entity_id, folder_id
+					callback?()
 
 	renameProject: (project_id, newName, callback = (err) ->) ->
 		ProjectDetailsHandler.renameProject project_id, newName, ->
diff --git a/services/web/app/coffee/Features/Project/ProjectEntityHandler.coffee b/services/web/app/coffee/Features/Project/ProjectEntityHandler.coffee
index 9b771625b3..fff91d2ce3 100644
--- a/services/web/app/coffee/Features/Project/ProjectEntityHandler.coffee
+++ b/services/web/app/coffee/Features/Project/ProjectEntityHandler.coffee
@@ -344,15 +344,18 @@ module.exports = ProjectEntityHandler =
 					return callback(error) if error?
 					self._removeElementFromMongoArray Project, project_id, path.mongo, (err)->
 						return callback(err) if err?
-						ProjectEntityHandler._putElement project, destinationFolder_id, entity, entityType, (err, result)->
+						# We've updated the project structure by removing the element, so must refresh it.
+						ProjectGetter.getProject project_id, {rootFolder:true, name:true}, (err, project)=>
 							return callback(err) if err?
-							opts = 
-								project_id:project_id
-								project_name:project.name
-								startPath:path.fileSystem
-								endPath:result.path.fileSystem,
-								rev:entity.rev
-							tpdsUpdateSender.moveEntity opts, callback
+							ProjectEntityHandler._putElement project, destinationFolder_id, entity, entityType, (err, result)->
+								return callback(err) if err?
+								opts = 
+									project_id:project_id
+									project_name:project.name
+									startPath:path.fileSystem
+									endPath:result.path.fileSystem,
+									rev:entity.rev
+								tpdsUpdateSender.moveEntity opts, callback
 
 	deleteEntity: (project_id, entity_id, entityType, callback = (error) ->)->
 		self = @
@@ -501,7 +504,7 @@ module.exports = ProjectEntityHandler =
 				elementType = "fileRefs"
 			return elementType
 
-		if !element?
+		if !element? or !element._id?
 			e = new Error("no element passed to be inserted")
 			logger.err project_id:project._id, folder_id:folder_id, element:element, type:type, "failed trying to insert element as it was null"
 			return callback(e)
@@ -520,13 +523,13 @@ module.exports = ProjectEntityHandler =
 				newPath =
 					fileSystem: "#{path.fileSystem}/#{element.name}"
 					mongo: path.mongo
-				logger.log project_id: project._id, element_id: element._id, fileType: type, folder_id: folder_id, "adding element to project"
 				id = element._id+''
 				element._id = require('mongoose').Types.ObjectId(id)
 				conditions = _id:project._id
 				mongopath = "#{path.mongo}.#{type}"
 				update = "$push":{}
 				update["$push"][mongopath] = element
+				logger.log project_id: project._id, element_id: element._id, fileType: type, folder_id: folder_id, mongopath:mongopath, "adding element to project"
 				Project.update conditions, update, {}, (err)->
 					if err?
 						logger.err err: err, project_id: project._id, 'error saving in putElement project'
diff --git a/services/web/test/UnitTests/coffee/Editor/EditorControllerTests.coffee b/services/web/test/UnitTests/coffee/Editor/EditorControllerTests.coffee
index a60830b226..fd56fbb021 100644
--- a/services/web/test/UnitTests/coffee/Editor/EditorControllerTests.coffee
+++ b/services/web/test/UnitTests/coffee/Editor/EditorControllerTests.coffee
@@ -518,12 +518,23 @@ describe "EditorController", ->
 			@folder_id = "313dasd21dasdsa"
 			@ProjectEntityHandler.moveEntity = sinon.stub().callsArgWith(4, @err)
 			@EditorRealTimeController.emitToRoom = sinon.stub()
+			@LockManager.releaseLock.callsArgWith(1)
+			@LockManager.getLock.callsArgWith(1)
 
 		it "should call the ProjectEntityHandler", (done)->
 			@EditorController.moveEntity @project_id, @entity_id, @folder_id, @entityType, =>
 				@ProjectEntityHandler.moveEntity.calledWith(@project_id, @entity_id, @folder_id, @entityType).should.equal true
 				done()
 
+		it "should take the lock", (done)->
+			@EditorController.moveEntity @project_id, @entity_id, @folder_id, @entityType, =>
+				@LockManager.getLock.calledWith(@project_id).should.equal true
+				done()
+
+		it "should release the lock", (done)->
+			@EditorController.moveEntity @project_id, @entity_id, @folder_id, @entityType, =>
+				@LockManager.releaseLock.calledWith(@project_id).should.equal true
+				done()
 
 		it "should emit the update to the room", (done)->
 			@EditorController.moveEntity @project_id, @entity_id, @folder_id, @entityType, =>
diff --git a/services/web/test/UnitTests/coffee/Project/ProjectEntityHandlerTests.coffee b/services/web/test/UnitTests/coffee/Project/ProjectEntityHandlerTests.coffee
index a44a16c10b..0e2441cf8d 100644
--- a/services/web/test/UnitTests/coffee/Project/ProjectEntityHandlerTests.coffee
+++ b/services/web/test/UnitTests/coffee/Project/ProjectEntityHandlerTests.coffee
@@ -1048,6 +1048,13 @@ describe 'ProjectEntityHandler', ->
 					@projectLocator.findElement.args[0][0].element_id.should.equal @project.rootFolder[0]._id
 					done()
 
+			it "should error if the element has no _id", (done)->
+				doc = 
+					name:"something"
+				@ProjectEntityHandler._putElement @project, @folder._id, doc, "doc", (err)=>
+					@ProjectModel.update.called.should.equal false
+					done()
+			
 
 
 		describe "_countElements", ->