diff --git a/.travis/preinstall b/.travis/preinstall
index 2c5e821..ec5f052 100755
--- a/.travis/preinstall
+++ b/.travis/preinstall
@@ -12,5 +12,5 @@ fi
 
 if [[ "${LSR_EXTRA_PACKAGES}" ]]; then
   sudo apt-get update
-  sudo apt-get install -y ${LSR_EXTRA_PACKAGES} || :
+  sudo apt-get install -my ${LSR_EXTRA_PACKAGES}
 fi