diff --git a/app/models/metadata_has_one.rb b/app/models/metadata_has_one.rb
index 93aaba50..ae5c6617 100644
--- a/app/models/metadata_has_one.rb
+++ b/app/models/metadata_has_one.rb
@@ -17,8 +17,8 @@ class MetadataHasOne < MetadataBelongsTo
     return true unless changed?
     return true unless inverse?
 
-    had_one[inverse]&.value = ''
-    has_one[inverse]&.value = post.uuid.value
+    had_one&[inverse]&.value = ''
+    has_one&[inverse]&.value = post.uuid.value
 
     true
   end