diff --git a/api/s38_scada_info.py b/api/s38_scada_info.py
index 041fff5..826c88a 100644
--- a/api/s38_scada_info.py
+++ b/api/s38_scada_info.py
@@ -6,8 +6,8 @@ def get_scada_info_schema(name: str) -> dict[str, dict[str, Any]]:
              'type'                  : {'type': 'str'      , 'optional': False , 'readonly': True },
              'x'                     : {'type': 'float'    , 'optional': False , 'readonly': False},
              'y'                     : {'type': 'float'    , 'optional': False , 'readonly': False},
-             'query_api_id'          : {'type': 'str' , 'optional': False , 'readonly': False},
-             'associated_element_id' : {'type': 'str' , 'optional': False , 'readonly': True } }
+             'query_api_id'          : {'type': 'str'      , 'optional': False , 'readonly': False},
+             'associated_element_id' : {'type': 'str'      , 'optional': False , 'readonly': True } }
 
 
 def get_scada_info(name: str, id: str) -> dict[str, Any]:
@@ -16,12 +16,12 @@ def get_scada_info(name: str, id: str) -> dict[str, Any]:
         return {}
 
     d = {}
-    d['id'] = str(si['id'])
-    d['type'] = str(si['type'])
+    d['id'] = si['id']
+    d['type'] = si['type']
     d['x'] = float(si['x'])
     d['y'] = float(si['y'])
-    d['api_query_id'] = str(si['api_query_id'])
-    d['associated_element_id'] = str(si['associated_element_id'])
+    d['api_query_id'] = si['api_query_id']
+    d['associated_element_id'] = si['associated_element_id']
 
     return d
 
@@ -32,11 +32,11 @@ def get_all_scada_info(name: str) -> list[dict[str, Any]]:
 
     d = []
     for si in sis:
-        d.append({ 'id': str(si['id']), 
-                   'type': str(si['type']), 
+        d.append({ 'id': si['id'], 
+                   'type': si['type'], 
                    'x': float(si['x']), 
                    'y': float(si['y']), 
-                   'api_query_id': str(si['api_query_id']), 
-                   'associated_element_id': str(si['associated_element_id']) })
+                   'api_query_id': si['api_query_id'], 
+                   'associated_element_id': si['associated_element_id'] })
         
     return d
\ No newline at end of file