diff --git a/ibus-libzhuyin.spec b/ibus-libzhuyin.spec
index e9316fd..9f4e1c1 100644
--- a/ibus-libzhuyin.spec
+++ b/ibus-libzhuyin.spec
@@ -50,7 +50,7 @@ make %{?_smp_mflags} V=1
 %install
 make install DESTDIR=${RPM_BUILD_ROOT} INSTALL="install -p"
 
-%py_byte_compile %{python3} $RPM_BUILD_ROOT/%{datadir}/ibus-libzhuyin/setup
+%py_byte_compile %{python3} $RPM_BUILD_ROOT%{_datadir}/ibus-libzhuyin/setup
 
 %find_lang %{name}