diff --git a/MVMCoreUI/Atomic/Molecules/HeadersAndFooters/Header.swift b/MVMCoreUI/Atomic/Molecules/HeadersAndFooters/Header.swift
index 912a60cb..72b1e7c0 100644
--- a/MVMCoreUI/Atomic/Molecules/HeadersAndFooters/Header.swift
+++ b/MVMCoreUI/Atomic/Molecules/HeadersAndFooters/Header.swift
@@ -25,7 +25,7 @@ open class HeaderView: Container {
         guard let margins = molecule.superview?.layoutMarginsGuide else { return }
         containerHelper.rightConstraint?.isActive = false
         containerHelper.rightConstraint = margins.rightAnchor.constraint(equalTo: molecule.rightAnchor)
-        containerHelper.rightConstraint?.priority = .defaultHigh
+        containerHelper.rightConstraint?.priority = UILayoutPriority(rawValue: 999)
         containerHelper.rightConstraint?.isActive = true
         molecule.widthAnchor.constraint(equalToConstant: HeaderMaxWidth).isActive = true
     }
diff --git a/MVMCoreUI/Atomic/Molecules/HeadersAndFooters/MoleculeHeaderView.swift b/MVMCoreUI/Atomic/Molecules/HeadersAndFooters/MoleculeHeaderView.swift
index 5f3a0914..e7a29e8a 100644
--- a/MVMCoreUI/Atomic/Molecules/HeadersAndFooters/MoleculeHeaderView.swift
+++ b/MVMCoreUI/Atomic/Molecules/HeadersAndFooters/MoleculeHeaderView.swift
@@ -29,7 +29,7 @@ public class MoleculeHeaderView: MoleculeContainer {
         guard let margins = molecule.superview?.layoutMarginsGuide else { return }
         containerHelper.rightConstraint?.isActive = false
         containerHelper.rightConstraint = margins.rightAnchor.constraint(equalTo: molecule.rightAnchor)
-        containerHelper.rightConstraint?.priority = .defaultHigh
+        containerHelper.rightConstraint?.priority = UILayoutPriority(rawValue: 999)
         containerHelper.rightConstraint?.isActive = true
         molecule.widthAnchor.constraint(lessThanOrEqualToConstant: HeaderMaxWidth).isActive = true
     }