diff --git a/openbis_api/source/java/ch/ethz/sis/openbis/generic/asapi/v3/dto/common/search/ControlledVocabularyPropertySearchCriteria.java b/openbis_api/source/java/ch/ethz/sis/openbis/generic/asapi/v3/dto/common/search/ControlledVocabularyPropertySearchCriteria.java
index ea420c813b9dd037b0b7bcc1b3e544b5a6522b1d..1280c972b792f73f1a9b21193206268085854bde 100644
--- a/openbis_api/source/java/ch/ethz/sis/openbis/generic/asapi/v3/dto/common/search/ControlledVocabularyPropertySearchCriteria.java
+++ b/openbis_api/source/java/ch/ethz/sis/openbis/generic/asapi/v3/dto/common/search/ControlledVocabularyPropertySearchCriteria.java
@@ -24,6 +24,11 @@ public class ControlledVocabularyPropertySearchCriteria extends AbstractFieldSea
 
     private static final long serialVersionUID = 1L;
 
+    ControlledVocabularyPropertySearchCriteria()
+    {
+        super(null, SearchFieldType.PROPERTY);
+    }
+
     ControlledVocabularyPropertySearchCriteria(final String propertyName)
     {
         super(propertyName, SearchFieldType.PROPERTY);
diff --git a/openbis_api/source/java/ch/ethz/sis/openbis/generic/asapi/v3/dto/common/search/SamplePropertySearchCriteria.java b/openbis_api/source/java/ch/ethz/sis/openbis/generic/asapi/v3/dto/common/search/SamplePropertySearchCriteria.java
index 76d8fab3bf4859dc2df4adca8d7347d67ce05152..2bd276b645f5e4d9dda8b7f515c364570156e5b1 100644
--- a/openbis_api/source/java/ch/ethz/sis/openbis/generic/asapi/v3/dto/common/search/SamplePropertySearchCriteria.java
+++ b/openbis_api/source/java/ch/ethz/sis/openbis/generic/asapi/v3/dto/common/search/SamplePropertySearchCriteria.java
@@ -24,6 +24,11 @@ public class SamplePropertySearchCriteria extends AbstractFieldSearchCriteria<St
 
     private static final long serialVersionUID = 1L;
 
+    SamplePropertySearchCriteria()
+    {
+        super(null, SearchFieldType.PROPERTY);
+    }
+
     public SamplePropertySearchCriteria(final String propertyName)
     {
         super(propertyName, SearchFieldType.PROPERTY);