diff --git a/Running-from-source.md b/Running-from-source.md
index edb8a85..0d114e6 100644
--- a/Running-from-source.md
+++ b/Running-from-source.md
@@ -6,7 +6,7 @@ Download and extract the source code of the [latest release](https://github.com/
 Mac:
 
 * Requires the Python “keyring”, “requests” and “watchdog” modules, plus an up-to-date “py2app” module if you also want to package the app - install these with `easy_install -U keyring requests watchdog py2app` .
-* Run with `./EDMarketConnector.py` .
+* Run with `python ./EDMarketConnector.py` .
 
 Windows: