diff --git a/nixos/modules/virtualisation/libvirtd.nix b/nixos/modules/virtualisation/libvirtd.nix
index c8742b27c6d5..b24ea0f33c9e 100644
--- a/nixos/modules/virtualisation/libvirtd.nix
+++ b/nixos/modules/virtualisation/libvirtd.nix
@@ -167,6 +167,9 @@ in {
             new_emulator=$(PATH=${pkgs.libvirt}/libexec:$PATH command -v $(basename "$emulator"))
             # write back
             "${pkgs.xmlstarlet}/bin/xmlstarlet" edit --inplace --update "/domain/devices/emulator" -v "$new_emulator" "$file"
+
+            # Also refresh the OVMF path. Files with no matches are ignored.
+            "${pkgs.xmlstarlet}/bin/xmlstarlet" edit --inplace --update "/domain/os/loader" -v "${pkgs.OVMF.fd}/FV/OVMF_CODE.fd" "$file"
         done
       ''; # */