diff --git a/librewolf-allow-dark.spec b/librewolf-allow-dark.spec
index fa6f989..e3666b3 100644
--- a/librewolf-allow-dark.spec
+++ b/librewolf-allow-dark.spec
@@ -23,6 +23,7 @@ mkdir -p %{buildroot}%{_datadir}/applications
 
 mv ./librewolf %{buildroot}%{_datadir}/librewolf/
 ln -sr %{buildroot}%{_datadir}/librewolf/librewolf %{buildroot}%{_bindir}/librewolf
+sed -i 's/MYDIR/%{_bindir}/g' ./librewolf.desktop
 mv ./librewolf.desktop %{buildroot}%{_datadir}/applications/