diff --git a/tests/enable_disable.rs b/tests/enable_disable.rs
index a944a97..c696288 100644
--- a/tests/enable_disable.rs
+++ b/tests/enable_disable.rs
@@ -5,6 +5,8 @@ extern crate error_chain;
 #[allow(dead_code)]
 mod helper;
 
+use std::time::Duration;
+
 use crate::helper::pfcli;
 use assert_matches::assert_matches;
 
@@ -15,7 +17,9 @@ test!(enable_pf {
     let mut pf = pfctl::PfCtl::new().unwrap();
 
     assert_matches!(pfcli::disable_firewall(), Ok(()));
+    std::thread::sleep(Duration::from_millis(1000));
     assert_matches!(pf.enable(), Ok(()));
+    std::thread::sleep(Duration::from_millis(1000));
     assert_matches!(pfcli::is_enabled(), Ok(true));
     assert_matches!(pf.enable(), Err(pfctl::Error(pfctl::ErrorKind::StateAlreadyActive, _)));
     assert_matches!(pf.try_enable(), Ok(()));