diff --git a/metropolis/installer/main.go b/metropolis/installer/main.go
index 7dc1da9..2515f53 100644
--- a/metropolis/installer/main.go
+++ b/metropolis/installer/main.go
@@ -315,7 +315,7 @@
 	}
 
 	// Create an EFI boot entry for Metropolis.
-	en, err := efivarfs.CreateBootEntry(be)
+	en, err := efivarfs.AddBootEntry(be)
 	if err != nil {
 		panicf("While creating a boot entry: %v", err)
 	}