diff --git a/bitchat/Services/GeohashParticipantTracker.swift b/bitchat/Services/GeohashParticipantTracker.swift
index ac8d6226..cf70354f 100644
--- a/bitchat/Services/GeohashParticipantTracker.swift
+++ b/bitchat/Services/GeohashParticipantTracker.swift
@@ -80,7 +80,10 @@ final class GeohashParticipantTracker: ObservableObject {
     /// Record activity from a participant in a specific geohash
     func recordParticipant(pubkeyHex: String, geohash: String) {
         let key = pubkeyHex.lowercased()
-        guard context?.isBlocked(key) != true else { return }
+        if context?.isBlocked(key) == true {
+            removeParticipant(pubkeyHex: key)
+            return
+        }
 
         var map = participants[geohash] ?? [:]
         map[key] = Date()
diff --git a/bitchatTests/GeohashParticipantTrackerTests.swift b/bitchatTests/GeohashParticipantTrackerTests.swift
index fe9190cc..7056b4a0 100644
--- a/bitchatTests/GeohashParticipantTrackerTests.swift
+++ b/bitchatTests/GeohashParticipantTrackerTests.swift
@@ -158,6 +158,20 @@ struct GeohashParticipantTrackerTests {
         #expect(tracker.visiblePeople.isEmpty)
     }
 
+    @Test func recordParticipant_blockedRepeatRemovesStaleVisibleParticipant() {
+        let tracker = GeohashParticipantTracker()
+        let context = MockParticipantContext()
+        tracker.configure(context: context)
+        tracker.setActiveGeohash("abc123")
+        tracker.recordParticipant(pubkeyHex: "later-blocked")
+
+        context.blockedPubkeys.insert("later-blocked")
+        tracker.recordParticipant(pubkeyHex: "LATER-BLOCKED")
+
+        #expect(tracker.participantCount(for: "abc123") == 0)
+        #expect(tracker.visiblePeople.isEmpty)
+    }
+
     @Test func participantCount_matchesVisiblePeopleWithMixedBlockStatus() {
         let tracker = GeohashParticipantTracker()
         let context = MockParticipantContext()