diff --git a/sh/cdbusiest b/sh/cdbusiest
index a925cc6..44a2524 100644
--- a/sh/cdbusiest
+++ b/sh/cdbusiest
@@ -1,4 +1,5 @@
 #!/bin/zsh
 dbusiest | read -r c d
+[ -z $c ] && return 1
 <<<"$c $d"
 cd $d
diff --git a/sh/dbusiest b/sh/dbusiest
index 2b38e80..de6403e 100644
--- a/sh/dbusiest
+++ b/sh/dbusiest
@@ -1,7 +1,8 @@
 #!/bin/zsh
 local c d
-for d in *(FD); do
+for d in *(FDN); do
     print $(find $d 2>/dev/null | wc -l) $d
 done | sort -nr | while read c d; do
     echo -E $c $d
 done
+[ -z $d ] && return 1