diff --git a/mev_inspect/crud/classified_traces.py b/mev_inspect/crud/classified_traces.py
index f0300f5..d6244fb 100644
--- a/mev_inspect/crud/classified_traces.py
+++ b/mev_inspect/crud/classified_traces.py
@@ -1,4 +1,3 @@
-import json
 from typing import List
 
 from mev_inspect.models.classified_traces import ClassifiedTraceModel
@@ -22,9 +21,30 @@ def write_classified_traces(
     db_session,
     classified_traces: List[ClassifiedTrace],
 ) -> None:
-    models = [
-        ClassifiedTraceModel(**json.loads(trace.json())) for trace in classified_traces
-    ]
+    models = []
+    for trace in classified_traces:
+        models.append(
+            ClassifiedTraceModel(
+                **{
+                    "transaction_hash": trace.transaction_hash,
+                    "block_number": trace.block_number,
+                    "classification": trace.classification.value,
+                    "trace_type": trace.type.value,
+                    "trace_address": trace.trace_address,
+                    "protocol": str(trace.protocol),
+                    "abi_name": trace.abi_name,
+                    "function_name": trace.function_name,
+                    "function_signature": trace.function_signature,
+                    "inputs": trace.inputs,
+                    "from_address": trace.from_address,
+                    "to_address": trace.to_address,
+                    "gas": trace.gas,
+                    "value": trace.value,
+                    "gas_used": trace.gas_used,
+                    "error": trace.error,
+                }
+            )
+        )
 
     db_session.bulk_save_objects(models)
     db_session.commit()