*Quietly* invalidate the sudo timestamp

1 files changed, 1 insertions, 1 deletions

diff --git a/install b/install
index 347d56397..ebc4dd4ad 100755
--- a/install
+++ b/install
@@ -89,7 +89,7 @@ def git
 end
 
 # Invalidate sudo timestamp before exiting
-at_exit { sudo "-k" }
+at_exit { Kernel.system "/usr/bin/sudo", "-k" }
 
 # The block form of Dir.chdir fails later if Dir.CWD doesn't exist which I
 # guess is fair enough. Also sudo prints a warning message for no good reason