diff --git a/scripts/osmotestconfig.py b/scripts/osmotestconfig.py
index 8b3bb84..5302758 100755
--- a/scripts/osmotestconfig.py
+++ b/scripts/osmotestconfig.py
@@ -77,7 +77,7 @@ def test_config_atest(app_desc, config, run_test, verbose=True):
 
 def copy_config(dirname, config):
     shutil.rmtree(dirname, True)
-    ign = shutil.ignore_patterns('*.cfg')
+    ign = shutil.ignore_patterns('*.cfg', '*tmp_dummy_sock')
     shutil.copytree(os.path.dirname(config), dirname, ignore=ign)
     os.chmod(dirname, stat.S_IRWXU)