diff --git a/src/main/java/catering/order/OrderController.java b/src/main/java/catering/order/OrderController.java
index c9d656e..613185b 100644
--- a/src/main/java/catering/order/OrderController.java
+++ b/src/main/java/catering/order/OrderController.java
@@ -379,7 +379,7 @@ public class OrderController {
 			String order_id = Objects.requireNonNull(order.getId()).toString();
 			for (int i = start_index_inclusive; i < end_index_exclusive; i++) {
 				// FIXME: exchange order ids for a short name or a color
-				datesOfMonth.get(i).add(order_id);
+				datesOfMonth.get(i).add(order.getOrderType().toHumanReadable());
 			}
 		}
 
diff --git a/src/test/java/catering/order/OrderControllerIntegrationTests.java b/src/test/java/catering/order/OrderControllerIntegrationTests.java
index e628a9e..e7e9928 100644
--- a/src/test/java/catering/order/OrderControllerIntegrationTests.java
+++ b/src/test/java/catering/order/OrderControllerIntegrationTests.java
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: AGPL-3.0-or-later
-// SPDX-FileCopyrightText: 2023 swt23w23
+// SPDX-FileCopyrightText: 2023-2024 swt23w23
 package catering.order;
 
 import catering.staff.JobType;
@@ -300,6 +300,6 @@ public class OrderControllerIntegrationTests {
 	void adminViewsCalender() throws Exception {
 		mvc.perform(get("/orders/calender"))
 			.andExpect(status().isOk())
-			.andExpect(content().string(containsString(myOrder.getId().toString())));
+			.andExpect(content().string(containsString(myOrder.getOrderType().toHumanReadable())));
 	}
 }