diff --git a/SPECS/kernel-lt-6.1.spec b/SPECS/kernel-lt-6.1.spec
index 3c3ed28..d5f0ea2 100644
--- a/SPECS/kernel-lt-6.1.spec
+++ b/SPECS/kernel-lt-6.1.spec
@@ -707,32 +707,26 @@ popd > /dev/null
 popd > /dev/null
 
 %install
-%ifarch x86_64
 
-%define __modsign_install_post \
-if [ "%{signmodules}" -eq "1" ]; then \
-	if [ "%{with_std}" -ne "0" ]; then \
-        %{SOURCE21} linux-%{version}-%{release}.x86_64/certs/signing_key.pem.sign linux-%{version}-%{release}.x86_64/certs/signing_key.x509.sign $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/ \
-	fi \
-fi \
-if [ "%{zipmodules}" -eq "1" ]; then \
-	find $RPM_BUILD_ROOT/lib/modules/ -name '*.ko' -type f | xargs --no-run-if-empty -P%{zcpu} xz \
-fi \
-%{nil}
+%define __modsign_install_post %{nil}
+%ifarch x86_64
+%define __modsign_install_post_arch linux-%{version}-%{release}.x86_64
+%elifarch aarch64
+%define __modsign_install_post_arch linux-%{version}-%{release}.aarch64
+%else
+%error "Unsupported architecture"
 %endif
 
-%ifarch aarch64
 %define __modsign_install_post \
 if [ "%{signmodules}" -eq "1" ]; then \
 	if [ "%{with_std}" -ne "0" ]; then \
-        %{SOURCE21} linux-%{version}-%{release}.aarch64/certs/signing_key.pem.sign linux-%{version}-%{release}.aarch64/certs/signing_key.x509.sign $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/ \
+        %{SOURCE21} %{__modsign_install_post_arch}/certs/signing_key.pem.sign %{__modsign_install_post_arch}/certs/signing_key.x509.sign $RPM_BUILD_ROOT/lib/modules/%{KVERREL}/ \
 	fi \
 fi \
 if [ "%{zipmodules}" -eq "1" ]; then \
 	find $RPM_BUILD_ROOT/lib/modules/ -name '*.ko' -type f | xargs --no-run-if-empty -P%{zcpu} xz \
 fi \
 %{nil}
-%endif
 
 #
 # Ensure modules are signed *after* all invocations of