diff --git a/nomad/datamodel/metainfo/annotations.py b/nomad/datamodel/metainfo/annotations.py
index 8d10975aaab5cf3d76c56db87118880a46803966..60fc442795d8011ad20d53ed8eecd03dce602b37 100644
--- a/nomad/datamodel/metainfo/annotations.py
+++ b/nomad/datamodel/metainfo/annotations.py
@@ -166,7 +166,7 @@ class QuantityDisplayAnnotation(DisplayAnnotation):
     ```
     """
 
-    display_unit: Optional[str] = Field(
+    unit: Optional[str] = Field(
         None,
         description=strip(
             """