diff --git a/kmp-local-override.macros b/kmp-local-override.macros
index 734bdce..76bd321 100644
--- a/kmp-local-override.macros
+++ b/kmp-local-override.macros
@@ -59,7 +59,7 @@ redhat_kmp_has_post_hooks	1
 	%global kmodtool %{-s*}%{!-s:/usr/lib/rpm/redhat/kmodtool} \
 	%global kmod_version %{-v*}%{!-v:%{version}} \
 	%global kmod_release %{-r*}%{!-r:%{release}} \
-	%global latest_kernel %({ rpm -q --qf '%%{VERSION}-%%{RELEASE}.%%{ARCH}\\\\n' `rpm -qa | egrep "^kernel(-64k|-rt|-aarch64)?-devel" | /usr/lib/rpm/redhat/rpmsort -r | head -n 1`; echo '%%%%{nil}'; } | head -n 1) \
+	%global latest_kernel %({ rpm -q --qf '%%{VERSION}-%%{RELEASE}.%%{ARCH}\\\\n' `rpm -qa | grep -E "^kernel(-64k|-rt|-aarch64)?-devel" | /usr/lib/rpm/redhat/rpmsort -r | head -n 1`; echo '%%%%{nil}'; } | head -n 1) \
 	%{!?kernel_version:%{expand:%%global kernel_version %{latest_kernel}}} \
 	%global kverrel %(%{kmodtool} verrel %{?kernel_version} 2>/dev/null) \
 	flavors="default" \
diff --git a/nvidia-open-kmod.spec b/nvidia-open-kmod.spec
index 4e07a7c..143ac97 100644
--- a/nvidia-open-kmod.spec
+++ b/nvidia-open-kmod.spec
@@ -110,6 +110,7 @@ done
 %changelog
 * Fri May 30 2025 Jonathan Wright <jonathan@almalinux.org> - 570.153.02-2
 - Update BR envsubst for EL9 compatibility
+- Replace "egrep" with "grep -E" in build macros
 
 * Mon May 26 2025 Neal Gompa <ngompa@almalinux.org> - 570.153.02-1
 - Initial package