diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/maps/maps-utils.ts b/ui-ngx/src/app/modules/home/components/widget/lib/maps/maps-utils.ts
index 499768618c..608035fc39 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/maps/maps-utils.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/maps/maps-utils.ts
@@ -152,7 +152,7 @@ function parseTemplate(template: string, data: { $datasource?: Datasource, [key:
         }
       }
 
-      const value = data[label];
+      const value = data[label] || '';
       let textValue: string;
       if (isNumber(value)) {
         textValue = padValue(value, valDec);