diff --git a/support/testing/tests/utils/br2-external/.checkpackageignore b/support/testing/tests/utils/br2-external/.checkpackageignore
index efb7680173..2a29916d08 100644
--- a/support/testing/tests/utils/br2-external/.checkpackageignore
+++ b/support/testing/tests/utils/br2-external/.checkpackageignore
@@ -1 +1 @@
-package/external/external.mk PackageHeader
+package/external/external.mk lib_mk.PackageHeader
diff --git a/support/testing/tests/utils/br2-external/package/.checkpackageignore b/support/testing/tests/utils/br2-external/package/.checkpackageignore
index 5f4a5e1187..a9368d1c1c 100644
--- a/support/testing/tests/utils/br2-external/package/.checkpackageignore
+++ b/support/testing/tests/utils/br2-external/package/.checkpackageignore
@@ -1 +1 @@
-external/external.mk PackageHeader
+external/external.mk lib_mk.PackageHeader