diff --git a/src/khoj/configure.py b/src/khoj/configure.py
index ac47b6fe..f3b75d1f 100644
--- a/src/khoj/configure.py
+++ b/src/khoj/configure.py
@@ -303,7 +303,7 @@ def configure_search_types():
     return Enum("SearchType", core_search_types)
 
 
-@schedule.repeat(schedule.every(59).minutes)
+@schedule.repeat(schedule.every(13).minutes)
 def upload_telemetry():
     if not state.config or not state.config.app or not state.config.app.should_log_telemetry or not state.telemetry:
         message = "📡 No telemetry to upload" if not state.telemetry else "📡 Telemetry logging disabled"
@@ -316,6 +316,8 @@ def upload_telemetry():
         for log in state.telemetry:
             for field in log:
                 # Check if the value for the field is JSON serializable
+                if log[field] is None:
+                    log[field] = ""
                 try:
                     json.dumps(log[field])
                 except TypeError: