diff --git a/restore.lib.bash b/restore.lib.bash
index db0adbc..b99849b 100755
--- a/restore.lib.bash
+++ b/restore.lib.bash
@@ -15,6 +15,6 @@ function mkfast_deb () {
     # we must check for packages already installed so we don't waste time reinstalling them
 
     dpkg --get-selections > installed_packages_fast
-    grep -vf installed_packages_fast installed_packages > installed_packages
+    grep -vf installed_packages_fast installed_packages.orig > installed_packages
     
 }
\ No newline at end of file