diff --git a/Cargo.lock b/Cargo.lock
index f866326..a694a0a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2604,6 +2604,7 @@ dependencies = [
  "anyhow",
  "base64 0.13.1",
  "chrono",
+ "derive_more 1.0.0",
  "gloo-console",
  "gloo-file",
  "gloo-net",
@@ -2618,6 +2619,7 @@ dependencies = [
  "rand 0.8.5",
  "serde",
  "serde_json",
+ "strum 0.25.0",
  "url-escape",
  "validator",
  "validator_derive",
diff --git a/app/Cargo.toml b/app/Cargo.toml
index a9b9d9d..a247cfd 100644
--- a/app/Cargo.toml
+++ b/app/Cargo.toml
@@ -55,6 +55,11 @@ features = [
   "wasmbind"
 ]
 
+[dependencies.derive_more]
+features = ["debug", "display", "from", "from_str"]
+default-features = false
+version = "1"
+
 [dependencies.lldap_auth]
 path = "../crates/auth"
 features = [ "opaque_client" ]
@@ -73,6 +78,10 @@ version = "0.24"
 [dependencies.serde]
 workspace = true
 
+[dependencies.strum]
+features = ["derive"]
+version = "0.25"
+
 [dependencies.yew_form]
 git = "https://github.com/jfbilodeau/yew_form"
 rev = "4b9fabffb63393ec7626a4477fd36de12a07fac9"
diff --git a/app/src/components/create_group_attribute.rs b/app/src/components/create_group_attribute.rs
index e1832ab..6feae78 100644
--- a/app/src/components/create_group_attribute.rs
+++ b/app/src/components/create_group_attribute.rs
@@ -69,7 +69,7 @@ impl CommonComponent<CreateGroupAttributeForm> for CreateGroupAttributeForm {
                     );
                 })?;
                 let attribute_type =
-                    serde_json::from_str::<AttributeType>(&model.attribute_type).unwrap();
+                    AttributeType::try_from(model.attribute_type.as_str()).unwrap();
                 let req = create_group_attribute::Variables {
                     name: model.attribute_name,
                     attribute_type,
@@ -144,7 +144,7 @@ impl Component for CreateGroupAttributeForm {
                 oninput={link.callback(|_| Msg::Update)}>
                 <option selected=true value="String">{"String"}</option>
                 <option value="Integer">{"Integer"}</option>
-                <option value="Jpeg">{"Jpeg"}</option>
+                <option value="JpegPhoto">{"Jpeg"}</option>
                 <option value="DateTime">{"DateTime"}</option>
               </Select<CreateGroupAttributeModel>>
               <CheckBox<CreateGroupAttributeModel>
diff --git a/app/src/components/create_user_attribute.rs b/app/src/components/create_user_attribute.rs
index 831ace5..8195d78 100644
--- a/app/src/components/create_user_attribute.rs
+++ b/app/src/components/create_user_attribute.rs
@@ -73,7 +73,7 @@ impl CommonComponent<CreateUserAttributeForm> for CreateUserAttributeForm {
                     );
                 })?;
                 let attribute_type =
-                    serde_json::from_str::<AttributeType>(&model.attribute_type).unwrap();
+                    AttributeType::try_from(model.attribute_type.as_str()).unwrap();
                 let req = create_user_attribute::Variables {
                     name: model.attribute_name,
                     attribute_type,
@@ -146,7 +146,7 @@ impl Component for CreateUserAttributeForm {
                 oninput={link.callback(|_| Msg::Update)}>
                 <option selected=true value="String">{"String"}</option>
                 <option value="Integer">{"Integer"}</option>
-                <option value="Jpeg">{"Jpeg"}</option>
+                <option value="JpegPhoto">{"Jpeg"}</option>
                 <option value="DateTime">{"DateTime"}</option>
               </Select<CreateUserAttributeModel>>
               <CheckBox<CreateUserAttributeModel>
diff --git a/app/src/infra/schema.rs b/app/src/infra/schema.rs
index ed73e87..c53c66a 100644
--- a/app/src/infra/schema.rs
+++ b/app/src/infra/schema.rs
@@ -1,24 +1,42 @@
+use derive_more::Display;
 use serde::{Deserialize, Serialize};
-use std::fmt::Display;
+use strum::EnumString;
 use validator::ValidationError;
 
-#[derive(Deserialize, Serialize, Debug, Copy, Clone, PartialEq, Eq, Hash)]
+#[derive(Serialize, Deserialize, Debug, Copy, Clone, PartialEq, Eq, Hash, EnumString, Display)]
 #[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+#[strum(ascii_case_insensitive)]
 pub(crate) enum AttributeType {
     String,
     Integer,
+    #[strum(serialize = "DATE_TIME", serialize = "DATETIME")]
     DateTime,
+    #[strum(serialize = "JPEG_PHOTO", serialize = "JPEGPHOTO")]
     JpegPhoto,
 }
 
-impl Display for AttributeType {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "{:?}", self)
-    }
-}
-
 pub fn validate_attribute_type(attribute_type: &str) -> Result<(), ValidationError> {
-    serde_json::from_str::<AttributeType>(attribute_type)
+    AttributeType::try_from(attribute_type)
         .map_err(|_| ValidationError::new("Invalid attribute type"))?;
     Ok(())
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_deserialize_attribute_type() {
+        let attr_type: AttributeType = "STRING".try_into().unwrap();
+        assert_eq!(attr_type, AttributeType::String);
+
+        let attr_type: AttributeType = "Integer".try_into().unwrap();
+        assert_eq!(attr_type, AttributeType::Integer);
+
+        let attr_type: AttributeType = "DATE_TIME".try_into().unwrap();
+        assert_eq!(attr_type, AttributeType::DateTime);
+
+        let attr_type: AttributeType = "JpegPhoto".try_into().unwrap();
+        assert_eq!(attr_type, AttributeType::JpegPhoto);
+    }
+}