diff --git a/shim.spec b/shim.spec
index 08a7d12d577297357fbe35aca0a26d11391a45dc..cbe0d92b2530d09b3491095f6979e1f209968885 100644
--- a/shim.spec
+++ b/shim.spec
@@ -25,7 +25,7 @@
 
 Name:	   	   shim
 Version:	   15.7
-Release:	   14
+Release:	   15
 Summary:	   First-stage UEFI bootloader
 ExclusiveArch:     x86_64 aarch64
 License:	   BSD
@@ -134,7 +134,7 @@ cd ..
 echo "start sign"
 sh /usr/lib/rpm/brp-ebs-sign --efi %{_builddir}/shim-%{version}/build-%{efi_arch}/shim%{efi_arch}.efi || [ $? -eq 2 ] && echo "failed to sign, skip signgture"
 sh /usr/lib/rpm/brp-ebs-sign --efi %{_builddir}/shim-%{version}/build-%{efi_arch}/fb%{efi_arch}.efi || [ $? -eq 2 ] && echo "failed to sign, skip signgture"
-sh /usr/lib/rpm/brp-ebs-sign --efi %{_builddir}/shim-%{version}/build-%{efi_arch}/mm%{efi_arch}.efi || [ $? -eq 2 ] & echo "failed to sign, skip signgture"
+sh /usr/lib/rpm/brp-ebs-sign --efi %{_builddir}/shim-%{version}/build-%{efi_arch}/mm%{efi_arch}.efi || [ $? -eq 2 ] && echo "failed to sign, skip signgture"
 mv %{_builddir}/shim-%{version}/build-%{efi_arch}/shim%{efi_arch}.efi.sig %{_builddir}/shim-%{version}/build-%{efi_arch}/shim%{efi_arch}.efi ||:
 mv %{_builddir}/shim-%{version}/build-%{efi_arch}/fb%{efi_arch}.efi.sig %{_builddir}/shim-%{version}/build-%{efi_arch}/fb%{efi_arch}.efi ||:
 mv %{_builddir}/shim-%{version}/build-%{efi_arch}/mm%{efi_arch}.efi.sig %{_builddir}/shim-%{version}/build-%{efi_arch}/mm%{efi_arch}.efi ||:
@@ -212,6 +212,9 @@ make test
 /usr/src/debug/%{name}-%{version}-%{release}/*
 
 %changelog
+* Tue Oct 29 2024 yanglongkang <yanglongkang@h-partners.com> -15.7-15
+- Correct the signature code.
+
 * Tue Oct 22 2024 fuanan <fuanan3@h-partners.com> -15.7-14
 - backport patch from upstream