diff --git a/app/src/main/java/org/tasks/sync/microsoft/Tasks.kt b/app/src/main/java/org/tasks/sync/microsoft/Tasks.kt
index 71343e7f8..a4ed09d54 100644
--- a/app/src/main/java/org/tasks/sync/microsoft/Tasks.kt
+++ b/app/src/main/java/org/tasks/sync/microsoft/Tasks.kt
@@ -41,7 +41,7 @@ data class Tasks(
         @Serializable
         data class LinkedResource(
             val applicationName: String,
-            val displayName: String,
+            val displayName: String?,
             val externalId: String,
             val id: String,
         )