diff --git a/app/drb_cdb_types.py b/app/drb_cdb_types.py
index e1dd6e4..b37042a 100644
--- a/app/drb_cdb_types.py
+++ b/app/drb_cdb_types.py
@@ -1,5 +1,5 @@
 from enum import Enum
-from typing import Dict, Any, List, Optional
+from typing import Dict, Any, List, Optional, Union
 
 class DemodTypes(str, Enum):
     P25 = "P25"
@@ -22,7 +22,7 @@ class ConfigGenerator:
         self,
         type: DemodTypes,
         systemName: str,
-        channels: List[str],
+        channels: List[Union[str, int]],
         tags: Optional[List[TalkgroupTag]] = None,
         whitelist: Optional[List[int]] = None
     ):
@@ -37,7 +37,7 @@ class ConfigGenerator:
         data = {
             "type": self.type,
             "systemName": self.systemName,
-            "channels": self.channels,
+            "channels": [str(channel) for channel in self.channels ],
             "tags": [tag.to_dict() for tag in self.tags] if self.tags else [],
             "whitelist": self.whitelist if self.whitelist else []
         }