diff --git a/debian/changelog b/debian/changelog
index 4ca7517..c616aa5 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,6 +3,7 @@ ps-watcher (1.06-2) unstable; urgency=low
   * remove dh_strip from rules
   * adjust depencies (libconfig-inifiles-perl, libsys-syslog-perl) 
   * modifying initscript to prevent to start without config file
+  * provide own postinst and prerm scripts
 
  -- Jan Wagner <waja@cyconet.org>  Sat,  4 Nov 2006 21:38:44 +0100
 
diff --git a/debian/init.d b/debian/init.d
index e169955..4f7194b 100644
--- a/debian/init.d
+++ b/debian/init.d
@@ -47,7 +47,7 @@ not_configured () {
 if [ -f "/etc/default/pswatcher" ]
 then
         . /etc/default/ps-watcher
-        if [ "$startup" != "1" ] || [ -f $CONFIG ]
+        if [ "$startup" != "1" ] || [ ! -f $CONFIG ]
         then
                 not_configured
         fi
diff --git a/debian/postinst b/debian/postinst
new file mode 100644
index 0000000..a70b870
--- /dev/null
+++ b/debian/postinst
@@ -0,0 +1,18 @@
+#!/bin/sh
+set -e
+if [ -f "/etc/default/pswatcher" ]
+then
+        . /etc/default/ps-watcher
+fi
+
+if [ -x "/etc/init.d/ps-watcher" ]; then
+        update-rc.d ps-watcher defaults 40 >/dev/null
+	if [ "$startup" == "1" ] && [ -f $CONFIG ]; then
+        	if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
+                	invoke-rc.d ps-watcher start || exit $?
+        	else
+                	/etc/init.d/ps-watcher start || exit $?
+        	fi
+	fi
+fi
+
diff --git a/debian/prerm b/debian/prerm
new file mode 100644
index 0000000..06953aa
--- /dev/null
+++ b/debian/prerm
@@ -0,0 +1,14 @@
+#!/bin/sh
+set -e
+if [ -f "/etc/default/pswatcher" ]
+then
+        . /etc/default/ps-watcher
+fi
+
+if [ -x "/etc/init.d/ps-watcher" ] && [ "$startup" == "1" ] && [ -f $CONFIG ]; then
+        if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
+                invoke-rc.d ps-watcher stop || exit $?
+        else
+                /etc/init.d/ps-watcher stop || exit $?
+        fi
+fi