diff --git a/ibus-pinyin/setup/ibus-setup-pinyin.in b/ibus-pinyin/setup/ibus-setup-pinyin.in

index 2566737..7517392 100644

--- a/ibus-pinyin/setup/ibus-setup-pinyin.in

+++ b/ibus-pinyin/setup/ibus-setup-pinyin.in

@@ -26,5 +26,5 @@ export IBUS_PREFIX=@prefix@

 export IBUS_DATAROOTDIR=@datarootdir@

 export IBUS_LOCALEDIR=@localedir@

 cd @prefix@/share/ibus-pinyin/setup/

-exec python main.py $@

+exec python3 main.py $@