diff --git a/libs/ui/src/lib/world-map-chart/world-map-chart.component.ts b/libs/ui/src/lib/world-map-chart/world-map-chart.component.ts
index 75afd0ec5a..29c66267a1 100644
--- a/libs/ui/src/lib/world-map-chart/world-map-chart.component.ts
+++ b/libs/ui/src/lib/world-map-chart/world-map-chart.component.ts
@@ -23,10 +23,10 @@ import svgMap from 'svgmap';
   templateUrl: './world-map-chart.component.html'
 })
 export class GfWorldMapChartComponent implements OnChanges, OnDestroy {
-  @Input() public countries?: {
+  @Input() public countries: {
     [code: string]: { name?: string; value: number };
   };
-  @Input() public format?: string;
+  @Input() public format: string;
   @Input() public isInPercentage?: boolean = false;
   @Input() public locale?: string = getLocale();
 
@@ -53,28 +53,24 @@ export class GfWorldMapChartComponent implements OnChanges, OnDestroy {
   }
 
   private initialize() {
-    if (!this.countries) {
-      return;
-    }
-
-    const countries = this.countries;
-
     if (this.isInPercentage) {
       // Convert value of countries to percentage
       let sum = 0;
-      Object.keys(countries).map((country) => {
-        sum += countries[country].value;
+      Object.keys(this.countries).map((country) => {
+        sum += this.countries[country].value;
       });
 
-      Object.keys(countries).map((country) => {
-        countries[country].value = Number(
-          ((countries[country].value * 100) / sum).toFixed(2)
+      Object.keys(this.countries).map((country) => {
+        this.countries[country].value = Number(
+          ((this.countries[country].value * 100) / sum).toFixed(2)
         );
       });
     } else {
       // Convert value to fixed-point notation
-      Object.keys(countries).map((country) => {
-        countries[country].value = Number(countries[country].value.toFixed(2));
+      Object.keys(this.countries).map((country) => {
+        this.countries[country].value = Number(
+          this.countries[country].value.toFixed(2)
+        );
       });
     }
 
@@ -90,7 +86,7 @@ export class GfWorldMapChartComponent implements OnChanges, OnDestroy {
             thousandSeparator: getNumberFormatGroup(this.locale)
           }
         },
-        values: countries
+        values: this.countries
       },
       hideFlag: true,
       minZoom: 1.06,