diff --git a/vault/diagnose/os_openbsd_arm.go b/vault/diagnose/os_openbsd_arm.go
index 70850eea8..8d82b891a 100644
--- a/vault/diagnose/os_openbsd_arm.go
+++ b/vault/diagnose/os_openbsd_arm.go
@@ -6,4 +6,5 @@ import "context"
 
 func diskUsage(ctx context.Context) error {
 	SpotSkipped(ctx, "disk usage", "unsupported on this platform")
+	return nil
 }