diff --git a/src/main/java/info/bukova/isspst/data/Requirement.java b/src/main/java/info/bukova/isspst/data/Requirement.java
index 0d8d222d..36edec15 100644
--- a/src/main/java/info/bukova/isspst/data/Requirement.java
+++ b/src/main/java/info/bukova/isspst/data/Requirement.java
@@ -16,7 +16,7 @@ import javax.persistence.Table;
 @Table(name = "REQUIREMENT")
 public class Requirement extends RequirementBase
 {
-	@OneToMany(fetch = FetchType.EAGER, mappedBy = "requirement", cascade = CascadeType.ALL)
+	@OneToMany(fetch = FetchType.EAGER, mappedBy = "requirement", cascade = CascadeType.ALL, orphanRemoval = true)
 	private List<RequirementItem> items;
 
 	@Column(name = "DELIVERYDATE")
@@ -37,6 +37,12 @@ public class Requirement extends RequirementBase
 	{
 		return items;
 	}
+	
+	public void addItem(RequirementItem item)
+	{
+		item.setRequirement(this); // nutné nastavit kvůli obousměrné vazbě. Na položce v DB se jinak nenastaví ID hlavního záznamu
+		items.add(item);
+	}
 
 	public void setItems(List<RequirementItem> items)
 	{
diff --git a/src/main/java/info/bukova/isspst/ui/main/orders/requirements/RequirementForm.java b/src/main/java/info/bukova/isspst/ui/main/orders/requirements/RequirementForm.java
index 8b276556..b55f8607 100644
--- a/src/main/java/info/bukova/isspst/ui/main/orders/requirements/RequirementForm.java
+++ b/src/main/java/info/bukova/isspst/ui/main/orders/requirements/RequirementForm.java
@@ -184,7 +184,7 @@ public class RequirementForm extends FormViewModel<Requirement>
 			}
 
 			this.setSelectedItem(item);
-			this.getDataBean().getItems().add(item);
+			this.getDataBean().addItem(item);
 			this.setSelItemIndex(this.getDataBean().getItems().indexOf(item));
 		}
 
@@ -277,7 +277,7 @@ public class RequirementForm extends FormViewModel<Requirement>
 		item.setMunit(null);
 
 		this.setSelectedItem(item);
-		this.getDataBean().getItems().add(item);
+		this.getDataBean().addItem(item);
 		this.setSelItemIndex(this.getDataBean().getItems().indexOf(item));
 	}
 }