diff --git a/meta/classes-global/insane.bbclass b/meta/classes-global/insane.bbclass
index 721088a8f5..350e1f83c2 100644
--- a/meta/classes-global/insane.bbclass
+++ b/meta/classes-global/insane.bbclass
@@ -443,6 +443,7 @@ def package_qa_check_buildpaths(path, name, d, elf):
         if tmpdir in file_content:
             path = package_qa_clean_path(path, d, name)
             oe.qa.handle_error("buildpaths", "File %s in package %s contains reference to TMPDIR" % (path, name), d)
+            buildpaths_skip.append(tmpdir.decode())
         if homedir and homedir in file_content and not any(path.startswith(homedir.decode()) for path in buildpaths_skip):
             path = package_qa_clean_path(path, d, name)
             oe.qa.handle_error("buildpaths", "File %s in package %s contains a reference to the build host HOME directory. If upstream hardcodes a directory path that matches your home, you can set OEQA_BUILDPATHS_SKIP = \"%s\" in the recipe." % (path, name, homedir.decode()), d)