diff --git a/SPECS/grub2.spec b/SPECS/grub2.spec
index d5701752ebba31413ab41be8ed5bb497ee3fcc4e..5fa3f497f3677926acc3cbf32b580b656a7e7945 100644
--- a/SPECS/grub2.spec
+++ b/SPECS/grub2.spec
@@ -44,9 +44,9 @@ Source90001:          rocky-signing.der
 %endif
 
 %ifarch ppc64le
-%define old_sb_cer	%{SOURCE17}
-%define sb_cer		%{SOURCE18}
-%define sb_key		redhatsecureboot602
+%define old_sb_cer	%{SOURCE90000}
+%define sb_cer		%{SOURCE90001}
+%define sb_key		rockylinuxsecurebootkey
 %endif
 
 # generate with do-rebase