diff --git a/src/main/java/no/nibio/vips/model/bremialactucaemodel/BremiaLactucaeModel.java b/src/main/java/no/nibio/vips/model/bremialactucaemodel/BremiaLactucaeModel.java
index b2f25846f1c99741670136942300e0d06e8f94e6..12e34e13698ecba38e6bc5561606e60311be94f6 100755
--- a/src/main/java/no/nibio/vips/model/bremialactucaemodel/BremiaLactucaeModel.java
+++ b/src/main/java/no/nibio/vips/model/bremialactucaemodel/BremiaLactucaeModel.java
@@ -280,7 +280,7 @@ public class BremiaLactucaeModel extends I18nImpl implements Model {
         }
         
         // Getting weather data
-        List<WeatherObservation> observations = objectMapper.convertValue(config.getConfigParameter("observations"), new TypeReference<List<WeatherObservation>>(){});
+        List<WeatherObservation> observations = this.modelUtil.extractWeatherObservationList(config.getConfigParameter("observations"));
         for(WeatherObservation o:observations)
         {
             this.dataMatrix.setParamDoubleValueForDate(o.getTimeMeasured(), o.getElementMeasurementTypeId(), o.getValue());