diff --git a/GeneralApp/funcs_options.py b/GeneralApp/funcs_options.py
index 295ecec..4450619 100644
--- a/GeneralApp/funcs_options.py
+++ b/GeneralApp/funcs_options.py
@@ -14,7 +14,7 @@ def get_options_by_opt_types(opt_types, only_vals=False, w_prefix=False):
         res_Dict = {}
         for item in opts:
             val = item['value']
-            if w_prefix:
+            if w_prefix and item['prefix']:
                 val = item['prefix'] + val
             res_Dict.update({item['opt_type']: val})
         return res_Dict