diff --git a/server/src/tables_data/handlers/post_table_data.rs b/server/src/tables_data/handlers/post_table_data.rs
index 63614c2..cb310d1 100644
--- a/server/src/tables_data/handlers/post_table_data.rs
+++ b/server/src/tables_data/handlers/post_table_data.rs
@@ -85,7 +85,7 @@ pub async fn post_table_data(
     // Build system columns with foreign keys
     let mut system_columns = vec!["deleted".to_string()];
     for fk in fk_columns {
-        let base_name = fk.table_name.split('_').last().unwrap_or(&fk.table_name);
+        let base_name = fk.table_name.split_once('_').map_or(fk.table_name.as_str(), |(_, rest)| rest);
         system_columns.push(format!("{}_id", base_name));
     }