diff --git a/poky/meta/lib/oeqa/runtime/cases/ptest.py b/poky/meta/lib/oeqa/runtime/cases/ptest.py
index 99a44f0..1b1474a 100644
--- a/poky/meta/lib/oeqa/runtime/cases/ptest.py
+++ b/poky/meta/lib/oeqa/runtime/cases/ptest.py
@@ -49,7 +49,11 @@
         ptest_log_dir = '%s.%s' % (ptest_log_dir_link, timestamp)
         ptest_runner_log = os.path.join(ptest_log_dir, 'ptest-runner.log')
 
-        status, output = self.target.run('ptest-runner', 0)
+        libdir = self.td.get('libdir', '')
+        ptest_dirs = [ '/usr/lib' ]
+        if not libdir in ptest_dirs:
+            ptest_dirs.append(libdir)
+        status, output = self.target.run('ptest-runner -d \"{}\"'.format(' '.join(ptest_dirs)), 0)
         os.makedirs(ptest_log_dir)
         with open(ptest_runner_log, 'w') as f:
             f.write(output)