diff --git a/src/modules/Elsa.EntityFrameworkCore/Modules/Management/DbContext.cs b/src/modules/Elsa.EntityFrameworkCore/Modules/Management/DbContext.cs
index 2f6b3ea0a..66d09e91a 100644
--- a/src/modules/Elsa.EntityFrameworkCore/Modules/Management/DbContext.cs
+++ b/src/modules/Elsa.EntityFrameworkCore/Modules/Management/DbContext.cs
@@ -38,6 +38,7 @@ public class ManagementElsaDbContext : ElsaDbContextBase
         // In order to use data more than 2000 char we have to use NCLOB.
         // In oracle we have to explicitly say the column is NCLOB otherwise it would be considered nvarchar(2000).
         modelBuilder.Entity<WorkflowInstance>().Property("Data").HasColumnType("NCLOB");
+        modelBuilder.Entity<WorkflowDefinition>().Property("StringData").HasColumnType("NCLOB");
         modelBuilder.Entity<WorkflowDefinition>().Property("Data").HasColumnType("NCLOB");
     }
-}
\ No newline at end of file
+}