diff --git a/doc/install.sgml b/doc/install.sgml
index 262523daa4c0922eb7f48bf0fbab7579c63a760d..a036bacef941a0d607fd2f7fcf8c21849d146f29 100644
--- a/doc/install.sgml
+++ b/doc/install.sgml
@@ -350,6 +350,7 @@ apt-get install -t etch-backports drbd8-module-source drbd8-utils
 m-a update
 m-a a-i drbd8
 echo drbd minor_count=128 >> /etc/modules
+depmod -a
 modprobe drbd minor_count=128
       </screen>