diff --git a/src/linux/integration-test.py b/src/linux/integration-test.py
index 9ac3cc5..d6f6dda 100755
--- a/src/linux/integration-test.py
+++ b/src/linux/integration-test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/python3 -u
 
 # upower integration test suite
 #