diff --git a/src/meta/model_v2/src/subscription.rs b/src/meta/model_v2/src/subscription.rs
index 47ebbc63a2dc1..3d53c4b767804 100644
--- a/src/meta/model_v2/src/subscription.rs
+++ b/src/meta/model_v2/src/subscription.rs
@@ -28,7 +28,7 @@ pub struct Model {
     pub retention_seconds: i64,
     pub definition: String,
     pub subscription_state: i32,
-    pub dependent_table_id: u32,
+    pub dependent_table_id: i32,
 }
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
@@ -59,7 +59,7 @@ impl From<PbSubscription> for ActiveModel {
             retention_seconds: Set(pb_subscription.retention_seconds as _),
             definition: Set(pb_subscription.definition),
             subscription_state: Set(pb_subscription.subscription_state),
-            dependent_table_id: Set(pb_subscription.dependent_table_id),
+            dependent_table_id: Set(pb_subscription.dependent_table_id as _),
         }
     }
 }
diff --git a/src/meta/src/controller/mod.rs b/src/meta/src/controller/mod.rs
index ff90dd33297d2..7e9f20f7557d6 100644
--- a/src/meta/src/controller/mod.rs
+++ b/src/meta/src/controller/mod.rs
@@ -235,7 +235,7 @@ impl From<ObjectModel<subscription::Model>> for PbSubscription {
             ),
             initialized_at_cluster_version: value.1.initialized_at_cluster_version,
             created_at_cluster_version: value.1.created_at_cluster_version,
-            dependent_table_id: value.0.dependent_table_id,
+            dependent_table_id: value.0.dependent_table_id as _,
             subscription_state: PbSubscriptionState::Init as _,
         }
     }