diff --git a/root/DEBIAN/preinst b/root/DEBIAN/preinst
index 66485ca..6887a02 100644
--- a/root/DEBIAN/preinst
+++ b/root/DEBIAN/preinst
@@ -36,7 +36,6 @@ case "${1}" in
     /usr/bin/echo ''
   ;;
   upgrade)
-    /usr/bin/rm --force --recursive '/opt/pironman5'
     /usr/bin/install --directory '/opt/pironman5'
   ;;
 esac
diff --git a/root/DEBIAN/prerm b/root/DEBIAN/prerm
index f55efaf..2fa6dd0 100644
--- a/root/DEBIAN/prerm
+++ b/root/DEBIAN/prerm
@@ -18,4 +18,7 @@ case "${1}" in
         /usr/bin/true
     fi
   ;;
+  upgrade)
+    /usr/bin/rm --force --recursive '/opt/pironman5'
+  ;;
 esac