diff --git a/Mac/OSX/PythonLauncher/PythonLauncher.pbproj/project.pbxproj b/Mac/OSX/PythonLauncher/PythonLauncher.pbproj/project.pbxproj
index 1c62d783bce..61926e145ec 100755
--- a/Mac/OSX/PythonLauncher/PythonLauncher.pbproj/project.pbxproj
+++ b/Mac/OSX/PythonLauncher/PythonLauncher.pbproj/project.pbxproj
@@ -288,6 +288,7 @@
 			buildSettings = {
 				FRAMEWORK_SEARCH_PATHS = "";
 				HEADER_SEARCH_PATHS = "";
+				INSTALL_MODE_FLAG = "a+rX";
 				INSTALL_PATH = /Applications/Python;
 				LIBRARY_SEARCH_PATHS = "";
 				OTHER_LDFLAGS = "";