diff --git a/debian/rules b/debian/rules
index 04e4644..32ab69d 100755
--- a/debian/rules
+++ b/debian/rules
@@ -59,7 +59,6 @@ override_dh_auto_build:
 	# Kernel
 	dh_auto_build -D ${KERNEL_SRC} -- \
 		CC="${PVE_KERNEL_CC}" \
-		KCFLAGS="${PVE_KERNEL_CFLAGS}" \
 		EXTRAVERSION="${EXTRAVERSION}" \
 		LOCALVERSION="${LOCALVERSION}" \
 		KBUILD_BUILD_VERSION_TIMESTAMP="${PKG_DISTRIBUTOR} ${DEB_VERSION} (${PKG_DATE_UTC_ISO})"
@@ -133,6 +132,7 @@ debian/${PVE_KERNEL_PKG}.%: debian/templates/pve-kernel.%.in
 		NO_LIBPYTHON=1 \
 		NO_LIBPERL=1 \
 		NO_LIBCRYPTO=1 \
+		CFLAGS="${PVE_KERNEL_CFLAGS}" \
 		PYTHON=python3
 #	echo "checking GPL-2 only perf binary for library linkage with incompatible licenses.."
 #	! ldd ${KERNEL_SRC}/tools/perf/perf | grep -q -E '\blibbfd'