diff --git a/Cargo.lock b/Cargo.lock
index 2836b89e..8384a809 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5546,6 +5546,7 @@ dependencies = [
  "moka",
  "notify",
  "num",
+ "num-traits",
  "parking_lot 0.12.1",
  "petgraph",
  "proctitle",
diff --git a/entities/src/revert_logs.rs b/entities/src/revert_logs.rs
index 9d466590..f20bcfe5 100644
--- a/entities/src/revert_logs.rs
+++ b/entities/src/revert_logs.rs
@@ -13,8 +13,8 @@ pub struct Model {
     pub timestamp: DateTimeUtc,
     pub method: Method,
     pub to: Vec<u8>,
-    #[sea_orm(column_type = "Text")]
-    pub call_data: String,
+    #[sea_orm(column_type = "Text", nullable)]
+    pub call_data: Option<String>,
 }
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
diff --git a/migration/src/m20220921_181610_log_reverts.rs b/migration/src/m20220921_181610_log_reverts.rs
index 3cb73b84..12b5e89e 100644
--- a/migration/src/m20220921_181610_log_reverts.rs
+++ b/migration/src/m20220921_181610_log_reverts.rs
@@ -61,7 +61,7 @@ impl MigrationTrait for Migration {
                             .not_null(),
                     )
                     .col(ColumnDef::new(RevertLogs::To).binary_len(20).not_null())
-                    .col(ColumnDef::new(RevertLogs::CallData).text().not_null())
+                    .col(ColumnDef::new(RevertLogs::CallData).text().null())
                     .index(sea_query::Index::create().col(RevertLogs::To))
                     .foreign_key(
                         sea_query::ForeignKey::create()