diff --git a/package.json b/package.json
index dbd7efc..eed143a 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
   "name": "gitinspector",
   "version": "0.5.0-dev",
   "description": "Gitinspector is a statistical analysis tool for git repositories. The default analysis shows general statistics per author, which can be complemented with a timeline analysis that shows the workload and activity of each author. Under normal operation, it filters the results to only show statistics about a number of given extensions and by default only includes source files in the statistical analysis.",
+  "preferGlobal": true,
   "main": "gitinspector.py",
   "directories": {
     "doc": "docs",