diff --git a/lib/getpositions.py b/lib/getpositions.py
index 877097d..2efcbfb 100644
--- a/lib/getpositions.py
+++ b/lib/getpositions.py
@@ -255,7 +255,7 @@ def create_new_id(id, dict1, dict2):
         sps_praefix = dict2["SPS"]
     if not sps_praefix:
         raise Exception
-    return f"{sps_praefix}:{id}"
+    return f"{id}@{sps_praefix}"
 
 def attribs_to_dicts(insert_iterable):
     all_inserts = list()
@@ -734,7 +734,8 @@ if __name__ == '__main__':
         if args.write:
             basename = os.path.splitext(args.write)[0]
             res_not_found = check_existance(res_mappings, res_dist, res_sens)
-            res_not_found["missing_attributes"] = warnings
+            added_warnings = merge_two_dicts(warnings, missing_attribs)
+            res_not_found["missing_attributes"] = added_warnings
             output_results["not_found"] = res_not_found
             output_results["double_ids"] = res_double
             write_results(to_json(output_results), work_dir, f"{basename}.json")