diff --git a/selftest.sh b/selftest.sh
index 962c24a..da2534a 100755
--- a/selftest.sh
+++ b/selftest.sh
@@ -26,7 +26,7 @@ else
 fi
 
 sudo apt-get update -qq
-sudo apt-get install -qq --y $packages
+sudo apt-get install -qq -y $packages
 
 git submodule update --init
 sudo make install symlink