diff --git a/services/web/app/coffee/Features/Editor/EditorController.coffee b/services/web/app/coffee/Features/Editor/EditorController.coffee
index 7dad02bde9..701ea0085b 100644
--- a/services/web/app/coffee/Features/Editor/EditorController.coffee
+++ b/services/web/app/coffee/Features/Editor/EditorController.coffee
@@ -13,10 +13,13 @@ _ = require('underscore')
 
 module.exports = EditorController =
 	addDoc: (project_id, folder_id, docName, docLines, source, user_id, callback = (error, doc)->)->
+		EditorController.addDocWithRanges(project_id, folder_id, docName, docLines, {}, source, user_id, callback)
+
+	addDocWithRanges: (project_id, folder_id, docName, docLines, docRanges, source, user_id, callback = (error, doc)->)->
 		docName = docName.trim()
 		logger.log {project_id, folder_id, docName, source}, "sending new doc to project"
 		Metrics.inc "editor.add-doc"
-		ProjectEntityUpdateHandler.addDoc project_id, folder_id, docName, docLines, user_id, (err, doc, folder_id)=>
+		ProjectEntityUpdateHandler.addDocWithRanges project_id, folder_id, docName, docLines, docRanges, user_id, (err, doc, folder_id)=>
 			if err?
 				logger.err err:err, project_id:project_id, docName:docName, "error adding doc without lock"
 				return callback(err)
diff --git a/services/web/app/coffee/Features/Project/ProjectEntityUpdateHandler.coffee b/services/web/app/coffee/Features/Project/ProjectEntityUpdateHandler.coffee
index f2b5df32ac..9bdfa0e18d 100644
--- a/services/web/app/coffee/Features/Project/ProjectEntityUpdateHandler.coffee
+++ b/services/web/app/coffee/Features/Project/ProjectEntityUpdateHandler.coffee
@@ -141,18 +141,21 @@ module.exports = ProjectEntityUpdateHandler = self =
 				return callback(err) if err?
 				callback(null, result, project)
 
-	addDoc: wrapWithLock
+	addDoc: (project_id, folder_id, docName, docLines, userId, callback) ->
+		self.addDocWithRanges(project_id, folder_id, docName, docLines, {}, userId, callback)
+
+	addDocWithRanges: wrapWithLock
 		beforeLock: (next) ->
-			(project_id, folder_id, docName, docLines, userId, callback = (error, doc, folder_id) ->) ->
+			(project_id, folder_id, docName, docLines, ranges, userId, callback = (error, doc, folder_id) ->) ->
 				if not SafePath.isCleanFilename docName
 					return callback new Errors.InvalidNameError("invalid element name")
 				# Put doc in docstore first, so that if it errors, we don't have a doc_id in the project
 				# which hasn't been created in docstore.
 				doc = new Doc name: docName
-				DocstoreManager.updateDoc project_id.toString(), doc._id.toString(), docLines, 0, {}, (err, modified, rev) ->
+				DocstoreManager.updateDoc project_id.toString(), doc._id.toString(), docLines, 0, ranges, (err, modified, rev) ->
 					return callback(err) if err?
-					next(project_id, folder_id, doc, docName, docLines, userId, callback)
-		withLock: (project_id, folder_id, doc, docName, docLines, userId, callback = (error, doc, folder_id) ->) ->
+					next(project_id, folder_id, doc, docName, docLines, ranges, userId, callback)
+		withLock: (project_id, folder_id, doc, docName, docLines, ranges, userId, callback = (error, doc, folder_id) ->) ->
 			ProjectEntityUpdateHandler._addDocAndSendToTpds project_id, folder_id, doc, (err, result, project) ->
 				return callback(err) if err?
 				docPath = result?.path?.fileSystem
@@ -261,7 +264,7 @@ module.exports = ProjectEntityUpdateHandler = self =
 						return callback(err) if err?
 						callback null, existingDoc, !existingDoc?
 			else
-				self.addDoc.withoutLock project_id, folder_id, docName, docLines, userId, (err, doc) ->
+				self.addDocWithRanges.withoutLock project_id, folder_id, docName, docLines, {}, userId, (err, doc) ->
 					return callback(err) if err?
 					callback null, doc, !existingDoc?
 
diff --git a/services/web/app/coffee/infrastructure/mongojs.coffee b/services/web/app/coffee/infrastructure/mongojs.coffee
index 8492b9023c..6e9432d339 100644
--- a/services/web/app/coffee/infrastructure/mongojs.coffee
+++ b/services/web/app/coffee/infrastructure/mongojs.coffee
@@ -1,6 +1,6 @@
 Settings = require "settings-sharelatex"
 mongojs = require "mongojs"
-db = mongojs(Settings.mongo.url, ["projects", "users", "userstubs", "tokens"])
+db = mongojs(Settings.mongo.url, ["projects", "users", "userstubs", "tokens", "docSnapshots"])
 module.exports =
 	db: db
 	ObjectId: mongojs.ObjectId
diff --git a/services/web/test/unit/coffee/Editor/EditorControllerTests.coffee b/services/web/test/unit/coffee/Editor/EditorControllerTests.coffee
index f1bf3792a2..c9cad856e6 100644
--- a/services/web/test/unit/coffee/Editor/EditorControllerTests.coffee
+++ b/services/web/test/unit/coffee/Editor/EditorControllerTests.coffee
@@ -51,12 +51,12 @@ describe "EditorController", ->
 
 	describe 'addDoc', ->
 		beforeEach ->
-			@ProjectEntityUpdateHandler.addDoc = sinon.stub().yields(null, @doc, @folder_id)
+			@ProjectEntityUpdateHandler.addDocWithRanges = sinon.stub().yields(null, @doc, @folder_id)
 			@EditorController.addDoc @project_id, @folder_id, @docName, @docLines, @source, @user_id, @callback
 
 		it 'should add the doc using the project entity handler', ->
-			@ProjectEntityUpdateHandler.addDoc
-				.calledWith(@project_id, @folder_id, @docName, @docLines)
+			@ProjectEntityUpdateHandler.addDocWithRanges
+				.calledWith(@project_id, @folder_id, @docName, @docLines, {})
 				.should.equal true
 
 		it 'should send the update out to the users in the project', ->
diff --git a/services/web/test/unit/coffee/Project/ProjectEntityUpdateHandlerTests.coffee b/services/web/test/unit/coffee/Project/ProjectEntityUpdateHandlerTests.coffee
index 29e5d3593a..7accaa13e6 100644
--- a/services/web/test/unit/coffee/Project/ProjectEntityUpdateHandlerTests.coffee
+++ b/services/web/test/unit/coffee/Project/ProjectEntityUpdateHandlerTests.coffee
@@ -477,7 +477,7 @@ describe 'ProjectEntityUpdateHandler', ->
 				@folder = _id: folder_id, docs: []
 				@newDoc = _id: doc_id
 				@ProjectLocator.findElement = sinon.stub().yields(null, @folder)
-				@ProjectEntityUpdateHandler.addDoc = withoutLock: sinon.stub().yields(null, @newDoc)
+				@ProjectEntityUpdateHandler.addDocWithRanges = withoutLock: sinon.stub().yields(null, @newDoc)
 
 				@ProjectEntityUpdateHandler.upsertDoc project_id, folder_id, @docName, @docLines, @source, userId, @callback
 
@@ -487,8 +487,8 @@ describe 'ProjectEntityUpdateHandler', ->
 					.should.equal true
 
 			it 'adds the doc', ->
-				@ProjectEntityUpdateHandler.addDoc.withoutLock
-					.calledWith(project_id, folder_id, @docName, @docLines, userId)
+				@ProjectEntityUpdateHandler.addDocWithRanges.withoutLock
+					.calledWith(project_id, folder_id, @docName, @docLines, {}, userId)
 					.should.equal true
 
 			it 'returns the doc', ->
@@ -499,7 +499,7 @@ describe 'ProjectEntityUpdateHandler', ->
 				@folder = _id: folder_id, docs: []
 				@newDoc = _id: doc_id
 				@ProjectLocator.findElement = sinon.stub().yields(null, @folder)
-				@ProjectEntityUpdateHandler.addDoc = withoutLock: sinon.stub().yields(null, @newDoc)
+				@ProjectEntityUpdateHandler.addDocWithRanges = withoutLock: sinon.stub().yields(null, @newDoc)
 
 				@ProjectEntityUpdateHandler.upsertDoc project_id, folder_id, "*" + @docName, @docLines, @source, userId, @callback