diff --git a/packages/mermaid/src/diagrams/sankey/parser/sankey.jison b/packages/mermaid/src/diagrams/sankey/parser/sankey.jison
index c0294917c..7f5d76554 100644
--- a/packages/mermaid/src/diagrams/sankey/parser/sankey.jison
+++ b/packages/mermaid/src/diagrams/sankey/parser/sankey.jison
@@ -66,8 +66,8 @@ record
       const target = yy.findOrCreateNode($target.trim());
       const value = parseFloat($value.trim());
       $$ = yy.addLink(source,target,value);
-    } // parse only 3 fields, this is not part of standard
-  | // allow empty record to handle empty lines, this is not part of csv standard either
+    } // parse only 3 fields, this is not part of CSV standard
+  | // allow empty record to handle empty lines, this is not part of CSV standard either
   ;
 
 field
diff --git a/packages/mermaid/src/diagrams/sankey/parser/sankey.spec.ts b/packages/mermaid/src/diagrams/sankey/parser/sankey.spec.ts
index 0c83df33f..d25a1cdb6 100644
--- a/packages/mermaid/src/diagrams/sankey/parser/sankey.spec.ts
+++ b/packages/mermaid/src/diagrams/sankey/parser/sankey.spec.ts
@@ -5,7 +5,6 @@ import { parser } from './sankey.jison';
 import db from '../sankeyDB.js';
 // import { fail } from 'assert';
 
-
 describe('Sankey diagram', function () {
   // TODO - these examples should be put into ./parser/stateDiagram.spec.js
   describe('when parsing an info graph it', function () {
@@ -14,20 +13,17 @@ describe('Sankey diagram', function () {
       diagram.parser.yy = db;
       diagram.parser.yy.clear();
     });
-    
+
     it('parses csv', async () => {
-      
       const fs = require('fs');
-      const path = require('path').resolve(__dirname, "./energy.csv");
+      const path = require('path').resolve(__dirname, './energy.csv');
       await fs.readFile(path, 'utf8', (err: Error, data: string) => {
-        if (err) throw(err);
-        
+        if (err) throw err;
+
         const str = `sankey\\n${data}`;
 
         parser.parse(str);
       });
-
     });
-
   });
 });
diff --git a/packages/mermaid/src/diagrams/sankey/sankeyRenderer.ts b/packages/mermaid/src/diagrams/sankey/sankeyRenderer.ts
index c8a3edaa8..63abb2a6c 100644
--- a/packages/mermaid/src/diagrams/sankey/sankeyRenderer.ts
+++ b/packages/mermaid/src/diagrams/sankey/sankeyRenderer.ts
@@ -88,17 +88,19 @@ export const draw = function (text: string, id: string, _version: string, diagOb
 
   const graph = diagObj.db.getGraph();
 
+  const nodeWidth = 10;
   // Construct and configure a Sankey generator
   // That will be a function that calculates nodes and links dimensions
   //
   const sankey = d3Sankey()
     .nodeId((d) => d.id) // we use 'id' property to identify node
-    .nodeWidth(10)
+    .nodeWidth(nodeWidth)
     .nodePadding(10)
     .nodeAlign(d3SankeyJustify) // d3.sankeyLeft, etc.
-    .size([width, height]);
-  // .extent([[5, 20], [width - 5, height - 20]]); alias for size
-  // paddings
+    .extent([
+      [0, 0],
+      [width - nodeWidth, height],
+    ]);
 
   //["left", "sankeyLeft"], ["right", "sankeyRight"], ["center", "sankeyCenter"], ["justify", "sankeyJustify"]
   // .nodeWidth(15)
@@ -169,11 +171,6 @@ export const draw = function (text: string, id: string, _version: string, diagOb
     .attr('d', d3SankeyLinkHorizontal())
     .attr('stroke', (d) => color(d.source.id))
     .attr('stroke-width', (d) => Math.max(1, d.width));
-
-  // const { nodes, links } = generator({
-  //   nodes: graph.nodes,
-  //   links: graph.links,
-  // });
 };
 
 export default {