diff --git a/scripts/verify-bashisms b/scripts/verify-bashisms
index 28795f4cc7..ed0a5631d0 100755
--- a/scripts/verify-bashisms
+++ b/scripts/verify-bashisms
@@ -114,3 +114,4 @@ if __name__=='__main__':
             for message,source in results:
                 print(" %s\n  %s" % (message, source))
             print()
+    tinfoil.shutdown()