diff --git a/llvm.spec b/llvm.spec
index 590695b..df64349 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -1672,7 +1672,7 @@ fi
 # alternative must be removed in order to give priority to a newly installed
 # compat package.
 if [[ $1 -eq 0
-      || "x$(%{_bindir}/llvm-config-%{maj_ver} --version | awk -F . '{ print $1 }')" != "x%{maj_ver}" ]]; then
+      || "x$(%{_bindir}/llvm-config%{exec_suffix} --version | awk -F . '{ print $1 }')" != "x%{maj_ver}" ]]; then
   %{_sbindir}/update-alternatives --remove llvm-config-%{maj_ver} %{install_bindir}/llvm-config%{exec_suffix}-%{__isa_bits}
 fi
 %endif