diff -Nru backport-iwlwifi-dkms-9858/debian/backport-iwlwifi-dkms.dkms.in backport-iwlwifi-dkms-9858/debian/backport-iwlwifi-dkms.dkms.in
--- backport-iwlwifi-dkms-9858/debian/backport-iwlwifi-dkms.dkms.in	2022-04-05 22:56:49.000000000 +0800
+++ backport-iwlwifi-dkms-9858/debian/backport-iwlwifi-dkms.dkms.in	2022-04-19 17:20:09.000000000 +0800
@@ -38,5 +38,5 @@
   fi
 }
 
-MAKE="'make' -j$(num_cpu_cores) KLIB=/lib/modules/$kernelver"
+MAKE="'make' -j$(num_cpu_cores) KLIB=/lib/modules/$kernelver KLIB_BUILD=${kernel_source_dir}"
 CLEAN="'make' clean"
diff -Nru backport-iwlwifi-dkms-9858/debian/changelog backport-iwlwifi-dkms-9858/debian/changelog
--- backport-iwlwifi-dkms-9858/debian/changelog	2022-04-05 22:56:56.000000000 +0800
+++ backport-iwlwifi-dkms-9858/debian/changelog	2022-04-19 17:20:09.000000000 +0800
@@ -1,3 +1,9 @@
+backport-iwlwifi-dkms (9858-0ubuntu3) jammy; urgency=medium
+
+  * respect kernelsourcedir in dkms.conf (LP: #1969434)
+
+ -- You-Sheng Yang <vicamo@gmail.com>  Tue, 19 Apr 2022 17:20:09 +0800
+
 backport-iwlwifi-dkms (9858-0ubuntu2) jammy; urgency=medium
 
   * Bump OBSOLETE_BY to v5.19, as this version of the module is suitable