diff --git a/layers/ovmf/stacker.yaml b/layers/ovmf/stacker.yaml
index 9a43674..bc3872f 100644
--- a/layers/ovmf/stacker.yaml
+++ b/layers/ovmf/stacker.yaml
@@ -21,8 +21,8 @@ ovmf-build:
 
     mkdir "$d/ovmf"
 
-    codef=/usr/share/OVMF/OVMF_CODE.secboot.fd
-    varsf=/usr/share/OVMF/OVMF_VARS.fd
+    codef=/usr/share/OVMF/OVMF_CODE_4M.secboot.fd
+    varsf=/usr/share/OVMF/OVMF_VARS_4M.fd
     cp "$codef" "$d/ovmf/ovmf-code.fd"
     cp "$varsf" "$d/ovmf/ovmf-vars.fd"