diff --git a/routes/engine.php b/routes/engine.php
index 92f67def38..f30dfe2ebf 100644
--- a/routes/engine.php
+++ b/routes/engine.php
@@ -8,7 +8,7 @@
 // Engine
 Route::prefix('api/1.0')->name('api.')->group(function () {
     // List of Processes that the user can start
-    Route::get('start_processes', [ProcessController::class, 'startProcesses'])->name('processes.start'); // Filtered in controller
+    Route::get('start_processes', [ProcessController::class, 'startProcesses'])->middleware('etag')->name('processes.start'); // Filtered in controller
 
     // Start a process
     Route::post('process_events/{process}', [ProcessController::class, 'triggerStartEvent'])->name('process_events.trigger')->middleware('can:start,process');