diff --git a/src/kernel/core/disk_device_manager/KDiskDeviceManager.cpp b/src/kernel/core/disk_device_manager/KDiskDeviceManager.cpp
index f40d548dd8..db785265b2 100644
--- a/src/kernel/core/disk_device_manager/KDiskDeviceManager.cpp
+++ b/src/kernel/core/disk_device_manager/KDiskDeviceManager.cpp
@@ -996,7 +996,7 @@ KDiskDeviceManager::_UpdateBusyPartitions(KDiskDevice *device)
 		{
 			// parent busy => child busy
 			if (partition->Parent() && partition->Parent()->IsBusy())
-				partition->Parent()->AddFlags(B_PARTITION_BUSY);
+				partition->AddFlags(B_PARTITION_BUSY);
 			return false;
 		}
 
@@ -1005,8 +1005,7 @@ KDiskDeviceManager::_UpdateBusyPartitions(KDiskDevice *device)
 			// child [descendant] busy => parent descendant busy
 			if ((partition->IsBusy() || partition->IsDescendantBusy())
 				&& partition->Parent()) {
-				partition->Parent()->AddFlags(
-					B_PARTITION_DESCENDANT_BUSY);
+				partition->Parent()->AddFlags(B_PARTITION_DESCENDANT_BUSY);
 			}
 			return false;
 		}