diff --git a/app/src/main/java/org/tasks/caldav/CaldavSynchronizer.kt b/app/src/main/java/org/tasks/caldav/CaldavSynchronizer.kt
index 0dc32bc25..40dc862c3 100644
--- a/app/src/main/java/org/tasks/caldav/CaldavSynchronizer.kt
+++ b/app/src/main/java/org/tasks/caldav/CaldavSynchronizer.kt
@@ -62,6 +62,8 @@ class CaldavSynchronizer @Inject constructor(
     }
 
     suspend fun sync(account: CaldavAccount) {
+        Thread.currentThread().contextClassLoader = context.classLoader
+
         if (!inventory.hasPro()) {
             setError(account, context.getString(R.string.requires_pro_subscription))
             return
diff --git a/app/src/main/java/org/tasks/etesync/EteSynchronizer.kt b/app/src/main/java/org/tasks/etesync/EteSynchronizer.kt
index cf9d5f8af..2a18807a8 100644
--- a/app/src/main/java/org/tasks/etesync/EteSynchronizer.kt
+++ b/app/src/main/java/org/tasks/etesync/EteSynchronizer.kt
@@ -48,6 +48,8 @@ class EteSynchronizer @Inject constructor(
     }
 
     suspend fun sync(account: CaldavAccount) {
+        Thread.currentThread().contextClassLoader = context.classLoader
+
         if (!inventory.hasPro()) {
             setError(account, context.getString(R.string.requires_pro_subscription))
             return