diff --git a/services/admin.py b/services/admin.py
index bacf34d1..8f3acfb2 100644
--- a/services/admin.py
+++ b/services/admin.py
@@ -527,7 +527,7 @@ class AdminService:
                         "key": var.key,
                         "value": var.value,
                         "description": var.description,
-                        "type": var.type if hasattr(var, "type") else None,
+                        "type": var.type,
                         "isSecret": var.is_secret,
                     }
                     for var in section.variables
diff --git a/storage/env.py b/storage/env.py
index 5bc6ad5d..30b99034 100644
--- a/storage/env.py
+++ b/storage/env.py
@@ -13,6 +13,7 @@ class EnvVariable:
     key: str
     value: str
     description: str
+    type: str = "string"
     is_secret: bool = False