diff --git a/kernel-srpm-macros.spec b/kernel-srpm-macros.spec
index bb85104..99527f5 100644
--- a/kernel-srpm-macros.spec
+++ b/kernel-srpm-macros.spec
@@ -1,6 +1,6 @@
 Name:           kernel-srpm-macros
 Version:        1.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        RPM macros that list arches the full kernel is built on
 # This package only exist in Fedora repositories
 # The license is the standard (MIT) specified in
@@ -29,7 +29,7 @@ The variable to use is kernel_arches.
 mkdir -p %{buildroot}/%{_rpmconfigdir}/macros.d
 install -p -m 0644 -t %{buildroot}/%{_rpmconfigdir}/macros.d %{SOURCE0}
 %if 0%{?rhel} >= 8
-  sed -i 's/^%kernel_arches.*/%kernel_arches x86_64 s390x ppc64le aarch64/' \
+  sed -i 's/^%%kernel_arches.*/%%kernel_arches x86_64 s390x ppc64le aarch64/' \
     %{buildroot}/%{_rpmconfigdir}/macros.d/macros.kernel-srpm
 %endif
 
@@ -38,6 +38,9 @@ install -p -m 0644 -t %{buildroot}/%{_rpmconfigdir}/macros.d %{SOURCE0}
 %{_rpmconfigdir}/macros.d/*
 
 %changelog
+* Tue Aug 04 2020 Merlin Mathesius <mmathesi@redhat.com> - 1.0-3
+- Escape percent for %%kernel_arches macro
+
 * Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild