diff --git a/Resources/Prototypes/GameRules/events.yml b/Resources/Prototypes/GameRules/events.yml
index 3e63ad0283..bfd9dd6230 100644
--- a/Resources/Prototypes/GameRules/events.yml
+++ b/Resources/Prototypes/GameRules/events.yml
@@ -455,6 +455,7 @@
     startAnnouncement: station-event-communication-interception
     startAudio:
       path: /Audio/Announcements/intercept.ogg
+    duration: null # the rule has to last the whole round not 1 second
   - type: AlertLevelInterceptionRule
   - type: AntagSelection
     definitions: