diff --git a/tools/packaging/kernel/build-kernel.sh b/tools/packaging/kernel/build-kernel.sh
index 93e82d590f..2def8f1c18 100755
--- a/tools/packaging/kernel/build-kernel.sh
+++ b/tools/packaging/kernel/build-kernel.sh
@@ -376,7 +376,7 @@ setup_kernel() {
 	${packaging_scripts_dir}/apply_patches.sh "${patches_dir_for_version}"
 
 	# Apply version specific patches for build_type build
-	if [ "${build_type}" == "true" ] ;then
+	if [ "${build_type}" != "" ] ;then
 		info "Apply build_type patches from ${build_type_patches_dir}"
 		${packaging_scripts_dir}/apply_patches.sh "${build_type_patches_dir}"
 	fi