diff --git a/conf/type/__apt_ppa/explorer/state b/conf/type/__apt_ppa/explorer/state
index 69af1937..86c401a4 100755
--- a/conf/type/__apt_ppa/explorer/state
+++ b/conf/type/__apt_ppa/explorer/state
@@ -28,5 +28,7 @@ name="$__object_id"
 repo_name="${name#ppa:}"
 repo_file_name="$(echo "$repo_name" | sed "s:\/:\-:")-${DISTRIB_CODENAME}.list"
 
-[ -f "/etc/apt/sources.list.d/${repo_file_name}" ] && echo enabled || echo disabled
+[ -f "/etc/apt/sources.list.d/${repo_file_name}" -a \
+   -s "/etc/apt/sources.list.d/${repo_file_name}" ] \
+   && echo enabled || echo disabled