diff --git a/kloud/src/defs.rs b/kloud/src/defs.rs
index 2490ffc..97ae42a 100644
--- a/kloud/src/defs.rs
+++ b/kloud/src/defs.rs
@@ -79,7 +79,7 @@ impl<T> KloudStore<T> {
   // }
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Default)]
 pub struct KloudQueryFilters {
   pub id: String,
   pub sort: String,
@@ -89,25 +89,25 @@ pub struct KloudQueryFilters {
   // pub limit: Option<usize>,
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Default)]
 pub struct KloudQueryDefsFilters {
   pub id: Option<String>,
 }
 
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Default)]
 pub struct KloudQueryLangFilters {
   pub lang: Option<String>,
   pub section: Option<String>,
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Default)]
 pub struct KloudReqData {
   pub id: String,
   pub str_data: String,
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Default)]
 pub struct KloudQueryConfigFilters {
   pub cld: String,
   pub grp: String,