diff --git a/backend/core/src/main/java/org/opencdmp/commons/types/descriptiontemplate/importexport/DescriptionTemplateMultiplicityImportExport.java b/backend/core/src/main/java/org/opencdmp/commons/types/descriptiontemplate/importexport/DescriptionTemplateMultiplicityImportExport.java
index c4a7f29ec..f122a7241 100644
--- a/backend/core/src/main/java/org/opencdmp/commons/types/descriptiontemplate/importexport/DescriptionTemplateMultiplicityImportExport.java
+++ b/backend/core/src/main/java/org/opencdmp/commons/types/descriptiontemplate/importexport/DescriptionTemplateMultiplicityImportExport.java
@@ -9,27 +9,27 @@ import jakarta.xml.bind.annotation.XmlElement;
 @XmlAccessorType(XmlAccessType.FIELD)
 public class DescriptionTemplateMultiplicityImportExport {
     @XmlAttribute(name="min")
-    private int min;
+    private Integer min;
     @XmlAttribute(name="max")
-    private int max;
+    private Integer max;
     @XmlElement(name="placeholder")
     private String placeholder;
     @XmlElement(name="tableView")
     private boolean tableView;
 
-    public int getMin() {
-        return this.min;
+    public Integer getMin() {
+        return min;
     }
 
-    public void setMin(int min) {
+    public void setMin(Integer min) {
         this.min = min;
     }
 
-    public int getMax() {
-        return this.max;
+    public Integer getMax() {
+        return max;
     }
 
-    public void setMax(int max) {
+    public void setMax(Integer max) {
         this.max = max;
     }