diff --git a/ibus-m17n.spec b/ibus-m17n.spec
index 9d3ffa5..cae5613 100644
--- a/ibus-m17n.spec
+++ b/ibus-m17n.spec
@@ -85,7 +85,7 @@ make %{?_smp_mflags}
 %install
 make DESTDIR=${RPM_BUILD_ROOT} install
 
-desktop-file-validate %{RPM_BUILD_ROOT}/%{_datadir}/applications/ibus-setup-m17n.desktop
+desktop-file-validate ${RPM_BUILD_ROOT}%{_datadir}/applications/ibus-setup-m17n.desktop
 
 %find_lang %{name}