diff --git a/bbb-exporter/collector.py b/bbb-exporter/collector.py
index da1cf11..831d4cc 100644
--- a/bbb-exporter/collector.py
+++ b/bbb-exporter/collector.py
@@ -280,7 +280,7 @@ def metric_recordings_unprocessed_from_disk(self):
 
     @staticmethod
     def _get_participant_count_by_client(meetings):
-        p_by_c = defaultdict(int, {'HTML5': 0, 'DIAL-IN': 0, 'FLASH': 0})
+        p_by_c = defaultdict(int, {'HTML5': 0, 'DIAL-IN': 0})
         for meeting in meetings:
             if not meeting.get("attendees"):
                 continue