diff --git a/src/server/sparql/Mappers.js b/src/server/sparql/Mappers.js
index 9b86e0c60cbbea2de0c25f0a910ad334eb4dd857..8742cf40e8918e849fb8fdd8b9b55ae57c040bca 100644
--- a/src/server/sparql/Mappers.js
+++ b/src/server/sparql/Mappers.js
@@ -172,7 +172,7 @@ export const linearScale = ({ data, config }) => {
   const { variable, minAllowed, maxAllowed } = config
   const length = data.length
   const min = data[length - 1][variable]
-  const max = data[0].[variable]
+  const max = data[0][variable]
   data.forEach(item => {
     if (item[variable]) {
       const unscaledNum = item[variable]