diff --git a/.travis/preinstall b/.travis/preinstall
index a8d1216..70cf139 100755
--- a/.travis/preinstall
+++ b/.travis/preinstall
@@ -12,5 +12,7 @@ fi
 
 if [[ "${LSR_EXTRA_PACKAGES}" ]]; then
   sudo apt-get update
-  sudo apt-get --ignore-missing install -y ${LSR_EXTRA_PACKAGES}
+  for P in ${LSR_EXTRA_PACKAGES}; do
+    sudo apt-get install -y ${P} || :
+  done
 fi