diff --git a/tools/genpasswd b/tools/genpasswd
index 56c20df1..4b2c34d0 100755
--- a/tools/genpasswd
+++ b/tools/genpasswd
@@ -1,4 +1,4 @@
 #!/bin/bash
 l=$1
 [ "$l" == "" ] && l=32
-tr -dc A-Za-z0-9_ < /dev/urandom | head -c ${l} | xargs
+openssl rand -base64 $l