diff --git a/headers/private/kernel/boot/platform.h b/headers/private/kernel/boot/platform.h
index 506bb7553f..d9a823e8e8 100644
--- a/headers/private/kernel/boot/platform.h
+++ b/headers/private/kernel/boot/platform.h
@@ -45,8 +45,8 @@ namespace boot {
 // these functions have to be implemented in C++
 extern status_t platform_get_boot_device(struct stage2_args *args, Node **_device);
 extern status_t platform_add_block_devices(struct stage2_args *args, NodeList *devicesList);
-extern status_t platform_get_boot_partition(struct stage2_args *args, NodeList *partitions,
-					boot::Partition **_partition);
+extern status_t platform_get_boot_partition(struct stage2_args *args, Node *bootDevice,
+					NodeList *partitions, boot::Partition **_partition);
 
 #endif
 
diff --git a/src/kernel/boot/loader/vfs.cpp b/src/kernel/boot/loader/vfs.cpp
index 068b0ba98c..c8f5fd4083 100644
--- a/src/kernel/boot/loader/vfs.cpp
+++ b/src/kernel/boot/loader/vfs.cpp
@@ -313,7 +313,7 @@ get_boot_file_system(stage2_args *args)
 		return NULL;
 
 	Partition *partition;
-	if (platform_get_boot_partition(args, &gPartitions, &partition) < B_OK)
+	if (platform_get_boot_partition(args, device, &gPartitions, &partition) < B_OK)
 		return NULL;
 
 	Directory *fileSystem;