diff --git a/src/aarecommon/models/models.py b/src/aarecommon/models/models.py
index 47e3a38..890373a 100644
--- a/src/aarecommon/models/models.py
+++ b/src/aarecommon/models/models.py
@@ -53,7 +53,7 @@ class PuckLoadedInfo(BaseModel):
 
 
 class DataCollectionParameters(BaseModel):
-    model_config = ConfigDict(from_attributes=True, populate_by_name=True)
+    model_config = ConfigDict(from_attributes=True, populate_by_name=True, validate_assignment=True)
 
     directory: str | None = None
     oscillation: float | None = None  # Only accept positive float