diff --git a/build-scripts/spdx-header-chech.sh b/build-scripts/spdx-header-chech.sh
index 745dc0ad5b..eda45d0a81 100755
--- a/build-scripts/spdx-header-chech.sh
+++ b/build-scripts/spdx-header-chech.sh
@@ -22,6 +22,7 @@ result=0
 found_files="
     $(find -type f -regex ${CHECKED_FILES} \
         -not -path './builddir/*' \
+        -not -path './subprojects/*' \
         -not -path './doc/arch/*')
 "