diff --git a/headers/private/storage/Partition.h b/headers/private/storage/Partition.h
index b0dfa6bc33..87158cf664 100644
--- a/headers/private/storage/Partition.h
+++ b/headers/private/storage/Partition.h
@@ -20,6 +20,7 @@ class BPartitionParameterEditor;
 class BDiskDeviceVisitor;
 class BDiskSystem;
 class BMutablePartition;
+template <class T> class BObjectList;
 class BPartitioningInfo;
 class BPath;
 class BVolume;
diff --git a/src/kits/storage/disk_device/Partition.cpp b/src/kits/storage/disk_device/Partition.cpp
index a711c38af9..8bd5fea703 100644
--- a/src/kits/storage/disk_device/Partition.cpp
+++ b/src/kits/storage/disk_device/Partition.cpp
@@ -16,6 +16,7 @@
 #include <DiskSystem.h>
 #include <fs_volume.h>
 #include <Message.h>
+#include <ObjectList.h>
 #include <Partition.h>
 #include <PartitioningInfo.h>
 #include <Path.h>