diff --git a/src/Cohort.ts b/src/Cohort.ts
index 72bcfd9..116b073 100644
--- a/src/Cohort.ts
+++ b/src/Cohort.ts
@@ -273,7 +273,9 @@ export async function createCohortAutoSplit(
 
   // let dummyrange = [this.getGeneralNumericalFilter(0 , 50 , NumRangeOperators.gte, NumRangeOperators.lte)]; // TODO: remove, just for development of autosplit
 
-  const newFilter = getAutoSplitFilter(parentCohort.filters, attribute, null);
+
+  // const newFilter = getAutoSplitFilter(parentCohort.filters, attribute);
+  const newFilter = null; // not needed
 
   // ATTENTION : database != databaseName
   const cht = new Cohort(
diff --git a/src/CohortRepresentations.ts b/src/CohortRepresentations.ts
index 3606522..46be338 100644
--- a/src/CohortRepresentations.ts
+++ b/src/CohortRepresentations.ts
@@ -515,7 +515,7 @@ export class RectCohortRep implements IRectCohortRep {
           if (Array.isArray(val)) {
             labelpart = val.map((a) => labelFromFilter(a, label)).join(' / ');
           } else if (isNull(val)) {
-            labelpart = label;
+            labelpart = 'Mixed because of Autosplit';
           } else {
             labelpart = labelFromFilter(val, label);
           }
diff --git a/src/data/Attribute.ts b/src/data/Attribute.ts
index 12aeb3c..20cf70d 100644
--- a/src/data/Attribute.ts
+++ b/src/data/Attribute.ts
@@ -129,8 +129,8 @@ export class ServerColumnAttribute extends Attribute {
 
   async getAutoCohort(cht: ICohort, attribute: IAttribute, newCohortId: number): Promise<ICohort> {
     // if (Array.isArray(attribute)) {
-      const label = "label";
-      return createCohortAutoSplit(cht, niceName(this.id), "label", this.id, newCohortId);
+      const label = "Mixed - AutoSplit";
+      return createCohortAutoSplit(cht, niceName(this.id), label, this.id, newCohortId);
     // }
   }