diff --git a/packages/cli/src/modules/instance-ai/instance-ai.controller.ts b/packages/cli/src/modules/instance-ai/instance-ai.controller.ts
index 2ccbc629b5f..acbda105399 100644
--- a/packages/cli/src/modules/instance-ai/instance-ai.controller.ts
+++ b/packages/cli/src/modules/instance-ai/instance-ai.controller.ts
@@ -173,7 +173,7 @@ export class InstanceAiController {
 		// of native memory for the lifetime of the connection.
 		(res as unknown as { compress: boolean }).compress = false;
 		res.setHeader('Content-Type', 'text/event-stream; charset=UTF-8');
-		res.setHeader('Cache-Control', 'no-cache');
+		res.setHeader('Cache-Control', 'no-cache, no-transform');
 		res.setHeader('Connection', 'keep-alive');
 		res.setHeader('X-Accel-Buffering', 'no');
 		res.flushHeaders();
@@ -562,7 +562,7 @@ export class InstanceAiController {
 
 		(res as unknown as { compress: boolean }).compress = false;
 		res.setHeader('Content-Type', 'text/event-stream; charset=UTF-8');
-		res.setHeader('Cache-Control', 'no-cache');
+		res.setHeader('Cache-Control', 'no-cache, no-transform');
 		res.setHeader('Connection', 'keep-alive');
 		res.setHeader('X-Accel-Buffering', 'no');
 		res.flushHeaders();