diff --git a/cli/Valet/Site.php b/cli/Valet/Site.php
index 509afc657..5ef7311b7 100644
--- a/cli/Valet/Site.php
+++ b/cli/Valet/Site.php
@@ -479,7 +479,7 @@ function unsecure($url)
         $this->cli->run(sprintf('sudo security delete-certificate -c "%s" /Library/Keychains/System.keychain', $url));
         $this->cli->run(sprintf('sudo security delete-certificate -c "*.%s" /Library/Keychains/System.keychain', $url));
         $this->cli->run(sprintf(
-            'sudo security find-certificate -e "%s%s" -a -Z | grep SHA-1 | sudo awk \'{system("security delete-certificate -Z "$NF" /Library/Keychains/System.keychain")}\'',
+            'sudo security find-certificate -e "%s%s" -a -Z | grep SHA-1 | sudo awk \'{system("security delete-certificate -Z \'$NF\' /Library/Keychains/System.keychain")}\'',
             $url, '@laravel.valet'
         ));
     }