diff --git a/src/diagrams/flowchart/graphDb.js b/src/diagrams/flowchart/flowDb.js
similarity index 100%
rename from src/diagrams/flowchart/graphDb.js
rename to src/diagrams/flowchart/flowDb.js
diff --git a/src/diagrams/flowchart/flowRenderer.js b/src/diagrams/flowchart/flowRenderer.js
index 47fa5be3a..c0f9b110d 100644
--- a/src/diagrams/flowchart/flowRenderer.js
+++ b/src/diagrams/flowchart/flowRenderer.js
@@ -1,7 +1,7 @@
 import graphlib from 'graphlibrary'
 import * as d3 from 'd3'
 
-import graphDb from './graphDb'
+import flowDb from './flowDb'
 import flow from './parser/flow'
 import dot from './parser/dot'
 import dagreD3 from 'dagre-d3-renderer'
@@ -211,18 +211,18 @@ export const addEdges = function (edges, g) {
  */
 export const getClasses = function (text, isDot) {
   let parser
-  graphDb.clear()
+  flowDb.clear()
   if (isDot) {
     parser = dot.parser
   } else {
     parser = flow.parser
   }
-  parser.yy = graphDb
+  parser.yy = flowDb
 
   // Parse the graph definition
   parser.parse(text)
 
-  const classes = graphDb.getClasses()
+  const classes = flowDb.getClasses()
 
   // Add default class if undefined
   if (typeof (classes.default) === 'undefined') {
@@ -243,13 +243,13 @@ export const getClasses = function (text, isDot) {
 export const draw = function (text, id, isDot) {
   logger.debug('Drawing flowchart')
   let parser
-  graphDb.clear()
+  flowDb.clear()
   if (isDot) {
     parser = dot.parser
   } else {
     parser = flow.parser
   }
-  parser.yy = graphDb
+  parser.yy = flowDb
 
   // Parse the graph definition
   try {
@@ -259,7 +259,7 @@ export const draw = function (text, id, isDot) {
   }
 
   // Fetch the default direction, use TD if none was found
-  let dir = graphDb.getDirection()
+  let dir = flowDb.getDirection()
   if (typeof dir === 'undefined') {
     dir = 'TD'
   }
@@ -280,16 +280,16 @@ export const draw = function (text, id, isDot) {
     })
 
   let subG
-  const subGraphs = graphDb.getSubGraphs()
+  const subGraphs = flowDb.getSubGraphs()
   for (let i = subGraphs.length - 1; i >= 0; i--) {
     subG = subGraphs[i]
-    graphDb.addVertex(subG.id, subG.title, 'group', undefined)
+    flowDb.addVertex(subG.id, subG.title, 'group', undefined)
   }
 
   // Fetch the verices/nodes and edges/links from the parsed graph definition
-  const vert = graphDb.getVertices()
+  const vert = flowDb.getVertices()
 
-  const edges = graphDb.getEdges()
+  const edges = flowDb.getEdges()
 
   let i = 0
   for (i = subGraphs.length - 1; i >= 0; i--) {
@@ -421,7 +421,7 @@ export const draw = function (text, id, isDot) {
 
   element.selectAll('g.node')
     .attr('title', function () {
-      return graphDb.getTooltip(this.id)
+      return flowDb.getTooltip(this.id)
     })
 
   if (conf.useMaxWidth) {
@@ -442,7 +442,7 @@ export const draw = function (text, id, isDot) {
   }
 
   // Index nodes
-  graphDb.indexNodes('subGraph' + i)
+  flowDb.indexNodes('subGraph' + i)
 
   for (i = 0; i < subGraphs.length; i++) {
     subG = subGraphs[i]
diff --git a/src/diagrams/flowchart/parser/flow.spec.js b/src/diagrams/flowchart/parser/flow.spec.js
index 66081bc36..67750061e 100644
--- a/src/diagrams/flowchart/parser/flow.spec.js
+++ b/src/diagrams/flowchart/parser/flow.spec.js
@@ -1,9 +1,9 @@
-import graphDb from '../graphDb'
+import flowDb from '../flowDb'
 import flow from './flow'
 
 describe('when parsing ', function () {
   beforeEach(function () {
-    flow.parser.yy = graphDb
+    flow.parser.yy = flowDb
     flow.parser.yy.clear()
   })
 
@@ -469,42 +469,42 @@ describe('when parsing ', function () {
 
   describe('it should handle interaction, ', function () {
     it('it should be possible to use click to a callback', function () {
-      spyOn(graphDb, 'setClickEvent')
+      spyOn(flowDb, 'setClickEvent')
       const res = flow.parser.parse('graph TD\nA-->B\nclick A callback')
 
       const vert = flow.parser.yy.getVertices()
       const edges = flow.parser.yy.getEdges()
 
-      expect(graphDb.setClickEvent).toHaveBeenCalledWith('A', 'callback', undefined, undefined)
+      expect(flowDb.setClickEvent).toHaveBeenCalledWith('A', 'callback', undefined, undefined)
     })
 
     it('it should be possible to use click to a callback with toolip', function () {
-      spyOn(graphDb, 'setClickEvent')
+      spyOn(flowDb, 'setClickEvent')
       const res = flow.parser.parse('graph TD\nA-->B\nclick A callback "tooltip"')
 
       const vert = flow.parser.yy.getVertices()
       const edges = flow.parser.yy.getEdges()
 
-      expect(graphDb.setClickEvent).toHaveBeenCalledWith('A', 'callback', undefined, 'tooltip')
+      expect(flowDb.setClickEvent).toHaveBeenCalledWith('A', 'callback', undefined, 'tooltip')
     })
 
     it('should handle interaction - click to a link', function () {
-      spyOn(graphDb, 'setClickEvent')
+      spyOn(flowDb, 'setClickEvent')
       const res = flow.parser.parse('graph TD\nA-->B\nclick A "click.html"')
 
       const vert = flow.parser.yy.getVertices()
       const edges = flow.parser.yy.getEdges()
 
-      expect(graphDb.setClickEvent).toHaveBeenCalledWith('A', undefined, 'click.html', undefined)
+      expect(flowDb.setClickEvent).toHaveBeenCalledWith('A', undefined, 'click.html', undefined)
     })
     it('should handle interaction - click to a link with tooltip', function () {
-      spyOn(graphDb, 'setClickEvent')
+      spyOn(flowDb, 'setClickEvent')
       const res = flow.parser.parse('graph TD\nA-->B\nclick A "click.html" "tooltip"')
 
       const vert = flow.parser.yy.getVertices()
       const edges = flow.parser.yy.getEdges()
 
-      expect(graphDb.setClickEvent).toHaveBeenCalledWith('A', undefined, 'click.html', 'tooltip')
+      expect(flowDb.setClickEvent).toHaveBeenCalledWith('A', undefined, 'click.html', 'tooltip')
     })
   })
 
diff --git a/src/mermaid.spec.js b/src/mermaid.spec.js
index 37e3c5516..30bda6a0a 100644
--- a/src/mermaid.spec.js
+++ b/src/mermaid.spec.js
@@ -1,6 +1,6 @@
 /* eslint-env jasmine */
 import mermaid from './mermaid'
-import graphDb from './diagrams/flowchart/graphDb'
+import flowDb from './diagrams/flowchart/flowDb'
 import flowParser from './diagrams/flowchart/parser/flow'
 import flowRenderer from './diagrams/flowchart/flowRenderer'
 
@@ -40,8 +40,8 @@ describe('when using mermaid and ', function () {
 
   describe('when calling addEdges ', function () {
     beforeEach(function () {
-      flowParser.parser.yy = graphDb
-      graphDb.clear()
+      flowParser.parser.yy = flowDb
+      flowDb.clear()
     })
     it('it should handle edges with text', function () {
       flowParser.parser.parse('graph TD;A-->|text ex|B;')
diff --git a/src/mermaidAPI.js b/src/mermaidAPI.js
index e9a6bc759..2472a1f73 100644
--- a/src/mermaidAPI.js
+++ b/src/mermaidAPI.js
@@ -15,7 +15,7 @@ import * as d3 from 'd3'
 import scope from 'scope-css'
 
 import { logger, setLogLevel } from './logger'
-import graph from './diagrams/flowchart/graphDb'
+import flowDb from './diagrams/flowchart/flowDb'
 import utils from './utils'
 import flowRenderer from './diagrams/flowchart/flowRenderer'
 import seq from './diagrams/sequenceDiagram/sequenceRenderer'
@@ -262,11 +262,11 @@ function parse (text) {
       break
     case 'graph':
       parser = flowParser
-      parser.parser.yy = graph
+      parser.parser.yy = flowDb
       break
     case 'dotGraph':
       parser = dotParser
-      parser.parser.yy = graph
+      parser.parser.yy = flowDb
       break
     case 'sequenceDiagram':
       parser = sequenceParser
@@ -457,7 +457,7 @@ const render = function (id, txt, cb, container) {
   svgCode = decodeEntities(svgCode)
 
   if (typeof cb !== 'undefined') {
-    cb(svgCode, graph.bindFunctions)
+    cb(svgCode, flowDb.bindFunctions)
   } else {
     logger.warn('CB = undefined!')
   }