diff --git a/optuna_dashboard/_serializer.py b/optuna_dashboard/_serializer.py
index 7c50b6f2..6a8baf26 100644
--- a/optuna_dashboard/_serializer.py
+++ b/optuna_dashboard/_serializer.py
@@ -162,14 +162,20 @@ def serialize_frozen_trial(
                 "distribution": serialize_distribution(distribution),
             }
         )
+    trial_system_attrs = getattr(trial, "_system_attrs", {})
+    fixed_params = trial_system_attrs.get("fixed_params", {})
     serialized = {
         "trial_id": trial._trial_id,
         "study_id": study_id,
         "number": trial.number,
         "state": trial.state.name.capitalize(),
         "params": params,
+        "fixed_params": [
+            {"name": param_name, "param_external_value": str(fixed_params.get(param_name, None))}
+            for param_name in fixed_params
+        ],
         "user_attrs": serialize_attrs(trial.user_attrs),
-        "system_attrs": serialize_attrs(getattr(trial, "_system_attrs", {})),
+        "system_attrs": serialize_attrs(trial_system_attrs),
         "note": note.get_note_from_system_attrs(study_system_attrs, trial._trial_id),
     }
 
diff --git a/optuna_dashboard/ts/apiClient.ts b/optuna_dashboard/ts/apiClient.ts
index 5b3fc2fe..bf4c1a6a 100644
--- a/optuna_dashboard/ts/apiClient.ts
+++ b/optuna_dashboard/ts/apiClient.ts
@@ -12,6 +12,10 @@ interface TrialResponse {
   datetime_start?: string
   datetime_complete?: string
   params: TrialParam[]
+  fixed_params: {
+    name: string
+    param_external_value: string
+  }[]
   user_attrs: Attribute[]
   system_attrs: Attribute[]
   note: Note
@@ -32,6 +36,7 @@ const convertTrialResponse = (res: TrialResponse): Trial => {
       ? new Date(res.datetime_complete)
       : undefined,
     params: res.params,
+    fixed_params: res.fixed_params,
     user_attrs: res.user_attrs,
     system_attrs: res.system_attrs,
     note: res.note,
diff --git a/optuna_dashboard/ts/components/TrialList.tsx b/optuna_dashboard/ts/components/TrialList.tsx
index 8e20df96..05e5b552 100644
--- a/optuna_dashboard/ts/components/TrialList.tsx
+++ b/optuna_dashboard/ts/components/TrialList.tsx
@@ -160,13 +160,23 @@ const TrialListDetail: FC<{
             Values = [
             {trial.values?.map((v) => v.toString()).join(" ") || "None"}]
           </Typography>
-          <Typography>
-            Params = [
-            {trial.params
-              .map((p) => `${p.name}: ${p.param_external_value}`)
-              .join(", ")}
-            ]
-          </Typography>
+          {trial.state !== "Waiting" ? (
+            <Typography>
+              Params = [
+              {trial.params
+                .map((p) => `${p.name}: ${p.param_external_value}`)
+                .join(", ")}
+              ]
+            </Typography>
+          ) : (
+            <Typography>
+              Params = [
+              {trial.fixed_params
+                .map((p) => `${p.name}: ${p.param_external_value}`)
+                .join(", ")}
+              ]
+            </Typography>
+          )}
           <Typography>
             Started At ={" "}
             {trial?.datetime_start ? trial?.datetime_start.toString() : null}
diff --git a/optuna_dashboard/ts/types/index.d.ts b/optuna_dashboard/ts/types/index.d.ts
index 440789ba..c58928cd 100644
--- a/optuna_dashboard/ts/types/index.d.ts
+++ b/optuna_dashboard/ts/types/index.d.ts
@@ -98,6 +98,10 @@ type Trial = {
   datetime_start?: Date
   datetime_complete?: Date
   params: TrialParam[]
+  fixed_params: {
+    name: string
+    param_external_value: string
+  }[]
   user_attrs: Attribute[]
   system_attrs: Attribute[]
   note: Note