diff --git a/demos/sankey.html b/demos/sankey.html
index d49bfc77e..4fc0993bf 100644
--- a/demos/sankey.html
+++ b/demos/sankey.html
@@ -19,74 +19,75 @@
sankey
-Agricultural 'waste',Bio-conversion,124.729
-Bio-conversion,Liquid,0.597
-Bio-conversion,Losses,26.862
-Bio-conversion,Solid,280.322
-Bio-conversion,Gas,81.144
-Biofuel imports,Liquid,35
-Biomass imports,Solid,35
-Coal imports,Coal,11.606
-Coal reserves,Coal,63.965
-Coal,Solid,75.571
-District heating,Industry,10.639
-District heating,Heating and cooling - commercial,22.505
-District heating,Heating and cooling - homes,46.184
-Electricity grid,Over generation / exports,104.453
-Electricity grid,Heating and cooling - homes,113.726
-Electricity grid,H2 conversion,27.14
-Electricity grid,Industry,342.165
-Electricity grid,Road transport,37.797
-Electricity grid,Agriculture,4.412
-Electricity grid,Heating and cooling - commercial,40.858
-Electricity grid,Losses,56.691
-Electricity grid,Rail transport,7.863
-Electricity grid,Lighting & appliances - commercial,90.008
-Electricity grid,Lighting & appliances - homes,93.494
-Gas imports,Ngas,40.719
-Gas reserves,Ngas,82.233
-Gas,Heating and cooling - commercial,0.129
-Gas,Losses,1.401
-Gas,Thermal generation,151.891
-Gas,Agriculture,2.096
-Gas,Industry,48.58
-Geothermal,Electricity grid,7.013
-H2 conversion,H2,20.897
-H2 conversion,Losses,6.242
-H2,Road transport,20.897
-Hydro,Electricity grid,6.995
-Liquid,Industry,121.066
-Liquid,International shipping,128.69
-Liquid,Road transport,135.835
-Liquid,Domestic aviation,14.458
-Liquid,International aviation,206.267
-Liquid,Agriculture,3.64
-Liquid,National navigation,33.218
-Liquid,Rail transport,4.413
-Marine algae,Bio-conversion,4.375
-Ngas,Gas,122.952
-Nuclear,Thermal generation,839.978
-Oil imports,Oil,504.287
-Oil reserves,Oil,107.703
-Oil,Liquid,611.99
-Other waste,Solid,56.587
-Other waste,Bio-conversion,77.81
-Pumped heat,Heating and cooling - homes,193.026
-Pumped heat,Heating and cooling - commercial,70.672
-Solar PV,Electricity grid,59.901
-Solar Thermal,Heating and cooling - homes,19.263
-Solar,Solar Thermal,19.263
-Solar,Solar PV,59.901
-Solid,Agriculture,0.882
-Solid,Thermal generation,400.12
-Solid,Industry,46.477
-Thermal generation,Electricity grid,525.531
-Thermal generation,Losses,787.129
-Thermal generation,District heating,79.329
-Tidal,Electricity grid,9.452
-UK land based bioenergy,Bio-conversion,182.01
-Wave,Electricity grid,19.013
-Wind,Electricity grid,289.366
+ Agricultural 'waste',Bio-conversion,124.729
+ Bio-conversion,Liquid,0.597
+ Bio-conversion,Losses,26.862
+ Bio-conversion,Solid,280.322
+ Bio-conversion,Gas,81.144
+ Biofuel imports,Liquid,35
+ Biomass imports,Solid,35
+ Coal imports,Coal,11.606
+ Coal reserves,Coal,63.965
+ Coal,Solid,75.571
+ District heating,Industry,10.639
+ District heating,Heating and cooling - commercial,22.505
+ District heating,Heating and cooling - homes,46.184
+ Electricity grid,Over generation / exports,104.453
+ Electricity grid,Heating and cooling - homes,113.726
+ Electricity grid,H2 conversion,27.14
+ Electricity grid,Industry,342.165
+ Electricity grid,Road transport,37.797
+ Electricity grid,Agriculture,4.412
+ Electricity grid,Heating and cooling - commercial,40.858
+ Electricity grid,Losses,56.691
+ Electricity grid,Rail transport,7.863
+ Electricity grid,Lighting & appliances - commercial,90.008
+ Electricity grid,Lighting & appliances - homes,93.494
+ Gas imports,Ngas,40.719
+ Gas reserves,Ngas,82.233
+ Gas,Heating and cooling - commercial,0.129
+ Gas,Losses,1.401
+ Gas,Thermal generation,151.891
+ Gas,Agriculture,2.096
+ Gas,Industry,48.58
+ Geothermal,Electricity grid,7.013
+ H2 conversion,H2,20.897
+ H2 conversion,Losses,6.242
+ H2,Road transport,20.897
+ Hydro,Electricity grid,6.995
+ Liquid,Industry,121.066
+ Liquid,International shipping,128.69
+ Liquid,Road transport,135.835
+ Liquid,Domestic aviation,14.458
+ Liquid,International aviation,206.267
+ Liquid,Agriculture,3.64
+ Liquid,National navigation,33.218
+ Liquid,Rail transport,4.413
+ Marine algae,Bio-conversion,4.375
+ Ngas,Gas,122.952
+ Nuclear,Thermal generation,839.978
+ Oil imports,Oil,504.287
+ Oil reserves,Oil,107.703
+ Oil,Liquid,611.99
+ Other waste,Solid,56.587
+ Other waste,Bio-conversion,77.81
+ Pumped heat,Heating and cooling - homes,193.026
+ Pumped heat,Heating and cooling - commercial,70.672
+ Solar PV,Electricity grid,59.901
+ Solar Thermal,Heating and cooling - homes,19.263
+ Solar,Solar Thermal,19.263
+ Solar,Solar PV,59.901
+ Solid,Agriculture,0.882
+ Solid,Thermal generation,400.12
+ Solid,Industry,46.477
+ Thermal generation,Electricity grid,525.531
+ Thermal generation,Losses,787.129
+ Thermal generation,District heating,79.329
+ Tidal,Electricity grid,9.452
+ UK land based bioenergy,Bio-conversion,182.01
+ Wave,Electricity grid,19.013
+ Wind,Electricity grid,289.366
+
diff --git a/packages/mermaid/src/diagrams/sankey/parser/energy.csv b/packages/mermaid/src/diagrams/sankey/parser/energy.csv
index 36fd45d2a..ebddaca0c 100644
--- a/packages/mermaid/src/diagrams/sankey/parser/energy.csv
+++ b/packages/mermaid/src/diagrams/sankey/parser/energy.csv
@@ -64,5 +64,6 @@ Thermal generation,Losses,787.129
Thermal generation,District heating,79.329
Tidal,Electricity grid,9.452
UK land based bioenergy,Bio-conversion,182.01
+
Wave,Electricity grid,19.013
-Wind,Electricity grid,289.366
\ No newline at end of file
+Wind,Electricity grid,289.366
diff --git a/packages/mermaid/src/diagrams/sankey/parser/sankey-arrow.spec.js b/packages/mermaid/src/diagrams/sankey/parser/sankey-arrow.spec.js
index 58fe31ab1..19f1ff357 100644
--- a/packages/mermaid/src/diagrams/sankey/parser/sankey-arrow.spec.js
+++ b/packages/mermaid/src/diagrams/sankey/parser/sankey-arrow.spec.js
@@ -1,5 +1,5 @@
-import diagram from './sankey.jison';
-import { parser } from './sankey.jison';
+import diagram from './sankey-arrow.jison';
+import { parser } from './sankey-arrow.jison';
import db from '../sankeyDB.js';
// import { fail } from 'assert';
diff --git a/packages/mermaid/src/diagrams/sankey/parser/sankey.jison b/packages/mermaid/src/diagrams/sankey/parser/sankey.jison
index 5ad25e811..c0294917c 100644
--- a/packages/mermaid/src/diagrams/sankey/parser/sankey.jison
+++ b/packages/mermaid/src/diagrams/sankey/parser/sankey.jison
@@ -62,9 +62,9 @@ opt_eof
record
: field\[source] COMMA field\[target] COMMA field\[value] {
- const source = yy.findOrCreateNode($source);
- const target = yy.findOrCreateNode($target);
- const value = parseFloat($value);
+ const source = yy.findOrCreateNode($source.trim());
+ 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