diff --git a/android/build.py b/android/build.py
index 07e7d1ac3..aa4f8b193 100755
--- a/android/build.py
+++ b/android/build.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env -S python3 -u
 
 import os, os.path
 import sys, subprocess
diff --git a/win32/build.py b/win32/build.py
index c1ae212e6..f29d75302 100755
--- a/win32/build.py
+++ b/win32/build.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env -S python3 -u
 
 import os, os.path
 import sys, subprocess