diff --git a/assets/src/scripts/monitoring-location/components/hydrograph/vue-components/legend.vue b/assets/src/scripts/monitoring-location/components/hydrograph/vue-components/legend.vue
index 406734dd8140d578e465a895149e885e5219db5e..c33468c82dbc89e8e7303d1f1066f8551fde539c 100644
--- a/assets/src/scripts/monitoring-location/components/hydrograph/vue-components/legend.vue
+++ b/assets/src/scripts/monitoring-location/components/hydrograph/vue-components/legend.vue
@@ -114,7 +114,7 @@ export default {
           });
           repositionLastMarkerWhenNeeded();
           //start new row
-          yPosition = yPosition = yPosition + VERTICAL_ROW_OFFSET;
+          yPosition = yPosition + VERTICAL_ROW_OFFSET;
         });
 
         // Set the size of the containing svg node to the size of the legend.