diff --git a/install.spec.inc b/install.spec.inc
index bf2914f..d3aced1 100644
--- a/install.spec.inc
+++ b/install.spec.inc
@@ -185,7 +185,7 @@ mkdir -p %{buildroot}%{_prefix}/lib/clang/%{maj_ver}/{bin,include,lib,share}/
 
 # Add versioned resource directory macro
 mkdir -p %{buildroot}%{_rpmmacrodir}/
-echo "%%clang%{maj_ver}_resource_dir %%{_prefix}/lib/clang/%{maj_ver}" >> %{buildroot}%{_rpmmacrodir}/macros.%{name}
+echo "%%clang%{maj_ver}_resource_dir %%{_prefix}/lib/clang/%{maj_ver}" >> %{buildroot}%{_rpmmacrodir}/macros.%{pkg_name_clang}
 
 # Install config file for clang
 %if %{maj_ver} >=18