diff --git a/capa/features/freeze/features.py b/capa/features/freeze/features.py
index 4c4b6ef9b..476aedbd6 100644
--- a/capa/features/freeze/features.py
+++ b/capa/features/freeze/features.py
@@ -306,7 +306,8 @@ class APIFeature(FeatureModel):
 class PropertyFeature(FeatureModel):
     type: Literal["property"] = "property"
     access: Optional[str] = None
-
+    property: str
+    description: Optional[str] = None
 
 class NumberFeature(FeatureModel):
     type: Literal["number"] = "number"