diff --git a/src/GmRelay.Bot/Features/Sessions/RescheduleSession/RescheduleVotingDeadlineService.cs b/src/GmRelay.Bot/Features/Sessions/RescheduleSession/RescheduleVotingDeadlineService.cs
index ffd21e8..e35c9e0 100644
--- a/src/GmRelay.Bot/Features/Sessions/RescheduleSession/RescheduleVotingDeadlineService.cs
+++ b/src/GmRelay.Bot/Features/Sessions/RescheduleSession/RescheduleVotingDeadlineService.cs
@@ -46,7 +46,7 @@ public sealed class RescheduleVotingDeadlineService(
     {
         try
         {
-            var proposalIds = await finalizer.GetDueProposalIdsAsync(ct);
+            var proposalIds = await finalizer.GetDueProposalIdsAsync("Telegram", ct);
 
             foreach (var proposalId in proposalIds)
             {
diff --git a/src/GmRelay.DiscordBot/Features/Sessions/DiscordRescheduleVotingDeadlineService.cs b/src/GmRelay.DiscordBot/Features/Sessions/DiscordRescheduleVotingDeadlineService.cs
index 2f1b4be..bb88411 100644
--- a/src/GmRelay.DiscordBot/Features/Sessions/DiscordRescheduleVotingDeadlineService.cs
+++ b/src/GmRelay.DiscordBot/Features/Sessions/DiscordRescheduleVotingDeadlineService.cs
@@ -34,7 +34,7 @@ public sealed class DiscordRescheduleVotingDeadlineService(
     {
         try
         {
-            var proposalIds = await finalizer.GetDueProposalIdsAsync(ct);
+            var proposalIds = await finalizer.GetDueProposalIdsAsync("Discord", ct);
             foreach (var id in proposalIds)
             {
                 await TryFinalizeAsync(id, ct);
diff --git a/src/GmRelay.Shared/Features/Sessions/RescheduleSession/RescheduleVotingFinalizer.cs b/src/GmRelay.Shared/Features/Sessions/RescheduleSession/RescheduleVotingFinalizer.cs
index 8942b4b..bb00f4a 100644
--- a/src/GmRelay.Shared/Features/Sessions/RescheduleSession/RescheduleVotingFinalizer.cs
+++ b/src/GmRelay.Shared/Features/Sessions/RescheduleSession/RescheduleVotingFinalizer.cs
@@ -26,7 +26,7 @@ public sealed class RescheduleVotingFinalizer(
     ISystemClock clock,
     ILogger<RescheduleVotingFinalizer> logger)
 {
-    public async Task<IReadOnlyList<Guid>> GetDueProposalIdsAsync(CancellationToken ct)
+    public async Task<IReadOnlyList<Guid>> GetDueProposalIdsAsync(string sourcePlatform, CancellationToken ct)
     {
         await using var connection = await dataSource.OpenConnectionAsync(ct);
         var proposalIds = (await connection.QueryAsync<Guid>(
@@ -36,10 +36,11 @@ public sealed class RescheduleVotingFinalizer(
             WHERE status = 'Voting'
               AND voting_deadline_at IS NOT NULL
               AND voting_deadline_at <= @Now
+              AND source_platform = @SourcePlatform
             ORDER BY voting_deadline_at
             LIMIT 25
             """,
-            new { Now = clock.UtcNow.UtcDateTime })).ToList();
+            new { Now = clock.UtcNow.UtcDateTime, SourcePlatform = sourcePlatform })).ToList();
 
         return proposalIds;
     }