diff --git a/services/real-time/app/js/Errors.js b/services/real-time/app/js/Errors.js
index 06bf33cf5d..12c644c839 100644
--- a/services/real-time/app/js/Errors.js
+++ b/services/real-time/app/js/Errors.js
@@ -6,4 +6,13 @@ class CodedError extends OError {
   }
 }
 
-module.exports = { CodedError }
+class DataTooLargeToParseError extends OError {
+  constructor(data) {
+    super('data too large to parse', {
+      head: data.slice(0, 1024),
+      length: data.length
+    })
+  }
+}
+
+module.exports = { CodedError, DataTooLargeToParseError }
diff --git a/services/real-time/app/js/SafeJsonParse.js b/services/real-time/app/js/SafeJsonParse.js
index 982fd9d424..a8a3afae4d 100644
--- a/services/real-time/app/js/SafeJsonParse.js
+++ b/services/real-time/app/js/SafeJsonParse.js
@@ -1,14 +1,10 @@
 const Settings = require('settings-sharelatex')
-const logger = require('logger-sharelatex')
+const { DataTooLargeToParseError } = require('./Errors')
 
 module.exports = {
   parse(data, callback) {
     if (data.length > Settings.maxUpdateSize) {
-      logger.error(
-        { head: data.slice(0, 1024), length: data.length },
-        'data too large to parse'
-      )
-      return callback(new Error('data too large to parse'))
+      return callback(new DataTooLargeToParseError(data))
     }
     let parsed
     try {
diff --git a/services/real-time/test/unit/js/SafeJsonParseTest.js b/services/real-time/test/unit/js/SafeJsonParseTest.js
index 4fb558a6b0..51a60dea23 100644
--- a/services/real-time/test/unit/js/SafeJsonParseTest.js
+++ b/services/real-time/test/unit/js/SafeJsonParseTest.js
@@ -50,7 +50,7 @@ describe('SafeJsonParse', function () {
       const data = `{\"foo\": \"${big_blob}\"}`
       this.Settings.maxUpdateSize = 2 * 1024
       return this.SafeJsonParse.parse(data, (error, parsed) => {
-        this.logger.error.called.should.equal(true)
+        this.logger.error.called.should.equal(false)
         expect(error).to.exist
         return done()
       })