diff --git a/pkg/restheadspec/handler.go b/pkg/restheadspec/handler.go
index 9abb074..8d242ce 100644
--- a/pkg/restheadspec/handler.go
+++ b/pkg/restheadspec/handler.go
@@ -1247,7 +1247,7 @@ func (h *Handler) handleUpdate(ctx context.Context, w common.ResponseWriter, id
 		}
 
 		// Create update query using Model() to preserve custom types and driver.Valuer interfaces
-		query := tx.NewUpdate().Model(modelInstance).Table(tableName)
+		query := tx.NewUpdate().Model(modelInstance)
 		query = query.Where(fmt.Sprintf("%s = ?", common.QuoteIdent(pkName)), targetID)
 
 		// Execute BeforeScan hooks - pass query chain so hooks can modify it