diff --git a/boot_control_chromeos.cc b/boot_control_chromeos.cc
index 68ac5bd..a82efc7 100644
--- a/boot_control_chromeos.cc
+++ b/boot_control_chromeos.cc
@@ -303,7 +303,7 @@
 }
 
 bool BootControlChromeOS::InitPartitionMetadata(
-    Slot slot, const PartitionSizes& partition_sizes) {
+    Slot slot, const PartitionMetadata& partition_metadata) {
   return true;
 }