diff --git a/index.php b/index.php
index e346969..c0d7d6a 100644
--- a/index.php
+++ b/index.php
@@ -75,6 +75,11 @@
             operations_form_ctrl();
             break;
 
+        case 'add_operation':
+            require('controllers/operation_ctrl.php');
+            add_operation_write_ctrl();
+            break;
+
         case 'lecture':
             require('views/lecture_page.php');
             break;
@@ -87,4 +92,4 @@
             require('views/404_view.php');
             break;
             
-    }
+    }
\ No newline at end of file