diff --git a/src/main/java/org/snomed/snowstorm/core/data/domain/QueryConcept.java b/src/main/java/org/snomed/snowstorm/core/data/domain/QueryConcept.java
index 0ecd7eb83..e9decc1ab 100644
--- a/src/main/java/org/snomed/snowstorm/core/data/domain/QueryConcept.java
+++ b/src/main/java/org/snomed/snowstorm/core/data/domain/QueryConcept.java
@@ -31,6 +31,7 @@ public interface Fields {
 		String ATTR = "attr";
 		String ATTR_MAP = "attrMap";
 		String START = "start";
+		String REFSETS = "refsets";
 	}
 
 	@Field(type = FieldType.Keyword)
@@ -57,6 +58,9 @@ public interface Fields {
 	// groupNo:attr=value:attr=value,value|groupNo:attr=value:attr=value,value
 	private String attrMap;
 
+	@Field(type = FieldType.Long)
+	private Set<Long> refsets;
+
 	@Transient
 	private Map<Integer, Map<String, List<Object>>> groupedAttributesMap;
 
@@ -83,6 +87,7 @@ public QueryConcept(QueryConcept queryConcept) {
 		stated = queryConcept.stated;
 		attrMap = queryConcept.attrMap;
 		serializeGroupedAttributesMap();// Populates attr field
+		refsets = queryConcept.refsets;
 	}
 
 	public void clearAttributes() {
@@ -237,7 +242,8 @@ public void setStated(boolean stated) {
 	public boolean fieldsMatch(QueryConcept other) {
 		if (!this.equals(other)
 				|| !this.getParents().equals(other.getParents())
-				|| !this.getAncestors().equals(other.getAncestors())) {
+				|| !this.getAncestors().equals(other.getAncestors())
+				|| !Objects.equals(this.getRefsets(), other.getRefsets())) {
 			return false;
 		}
 		final Map<Integer, Map<String, List<Object>>> groupedAttributesMap = orEmpty(this.getGroupedAttributesMap());
@@ -260,6 +266,14 @@ public boolean isCreating() {
 		return creating;
 	}
 
+	public Set<Long> getRefsets() {
+		return refsets;
+	}
+
+	public void setRefsets(Set<Long> refsets) {
+		this.refsets = refsets;
+	}
+
 	@Override
 	public String toString() {
 		return "QueryConcept{" +