diff --git a/pisi/cli/install.py b/pisi/cli/install.py
index b8127bed..132c898f 100644
--- a/pisi/cli/install.py
+++ b/pisi/cli/install.py
@@ -102,5 +102,5 @@ expanded to package names.
         if ctx.get_option('exclude'):
             packages = pisi.blacklist.exclude(packages, ctx.get_option('exclude'))
 
-        reinstall = packages[0].endswith(ctx.const.package_suffix)
+        reinstall = bool(packages) and packages[0].endswith(ctx.const.package_suffix)
         pisi.api.install(packages, ctx.get_option('reinstall') or reinstall)