diff --git a/src/app/components/fixedvar-results/fixedvar-results.component.ts b/src/app/components/fixedvar-results/fixedvar-results.component.ts
index f1774af3957c294a26dd00e8e4ebe85a8a5ec3c1..890766abc01cd6e9bb5823b3be1d9927f1338073 100644
--- a/src/app/components/fixedvar-results/fixedvar-results.component.ts
+++ b/src/app/components/fixedvar-results/fixedvar-results.component.ts
@@ -236,7 +236,9 @@ export class FixedVarResultsComponent {
             datasets: [
                 {
                     label: "",
-                    data: dat
+                    data: dat,
+                    borderColor: '#000000',
+                    backgroundColor: '#000000'
                 }
             ]
         };