diff --git a/api/src/main/java/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/generators/AddConceptThroughObjectPropertyGenerator.java b/api/src/main/java/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/generators/AddConceptThroughObjectPropertyGenerator.java
index 6668687d..6f27292b 100644
--- a/api/src/main/java/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/generators/AddConceptThroughObjectPropertyGenerator.java
+++ b/api/src/main/java/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/generators/AddConceptThroughObjectPropertyGenerator.java
@@ -75,9 +75,7 @@ public class AddConceptThroughObjectPropertyGenerator extends DefaultObjectPrope
    		    if (!rangeVClass.isUnion()) {
    		        types.add(rangeVClass);    
    		    } else {
-   		        for (VClass unionComponent : rangeVClass.getUnionComponents()) {
-   		            types.add(unionComponent);
-   		        }
+				types.addAll(rangeVClass.getUnionComponents());
    		    }
 	        return types;
    		} else {
diff --git a/api/src/main/java/edu/cornell/mannlib/vitro/webapp/visualization/valueobjects/json/JsonObject.java b/api/src/main/java/edu/cornell/mannlib/vitro/webapp/visualization/valueobjects/json/JsonObject.java
index d57f968c..30018254 100644
--- a/api/src/main/java/edu/cornell/mannlib/vitro/webapp/visualization/valueobjects/json/JsonObject.java
+++ b/api/src/main/java/edu/cornell/mannlib/vitro/webapp/visualization/valueobjects/json/JsonObject.java
@@ -29,9 +29,7 @@ public class JsonObject {
 	}
 	
 	public void setOrganizationTypes(Set<String> givenOrganizationType) {
-		for (String type : givenOrganizationType) {
-			this.organizationType.add(type);
-		}
+		this.organizationType.addAll(givenOrganizationType);
 	}
 
 	public String getEntityURI() {