diff --git a/extensions/telegram/src/shared.ts b/extensions/telegram/src/shared.ts
index 644869dbc60..815239d9de3 100644
--- a/extensions/telegram/src/shared.ts
+++ b/extensions/telegram/src/shared.ts
@@ -95,6 +95,9 @@ export function createTelegramPluginBase(params: {
       nativeCommands: true,
       blockStreaming: true,
     },
+    streaming: {
+      blockStreamingCoalesceDefaults: { minChars: 1500, idleMs: 1000 },
+    },
     reload: { configPrefixes: ["channels.telegram"] },
     configSchema: buildChannelConfigSchema(TelegramConfigSchema),
     config: {