diff --git a/slpkg/slack/install.py b/slpkg/slack/install.py
index f222fc55..ee252eac 100755
--- a/slpkg/slack/install.py
+++ b/slpkg/slack/install.py
@@ -50,7 +50,8 @@ def slack_install(slack_pkg, version):
               CYAN, slack_pkg, ENDC))
         sys.stdout.write("{0}Reading package lists ...{1}".format(GREY, ENDC))
         sys.stdout.flush()
-        data = _greps(_packages(version), slack_pkg, version)
+        PACKAGES_TXT = _packages(version)
+        data = _greps(PACKAGES_TXT, slack_pkg, version)
         dwn_list, install_all, comp_sum, uncomp_sum = _store(data[0], data[1],
                                                              data[2], data[3],
                                                              slack_pkg, version)