diff --git a/assets/react/v3/entries/course-builder/components/modals/H5PContentListModal.tsx b/assets/react/v3/entries/course-builder/components/modals/H5PContentListModal.tsx
index e0b048b26..7da667763 100644
--- a/assets/react/v3/entries/course-builder/components/modals/H5PContentListModal.tsx
+++ b/assets/react/v3/entries/course-builder/components/modals/H5PContentListModal.tsx
@@ -172,6 +172,7 @@ const H5PContentListModal = ({
                 onAddContent(selectedContents);
                 closeModal({ action: 'CONFIRM' });
               }}
+              disabled={!selectedContents.length}
             >
               {__('Add', 'tutor')}
             </Button>