diff --git a/zlib-ng.spec b/zlib-ng.spec
index 9eddcbe..0f91f2d 100644
--- a/zlib-ng.spec
+++ b/zlib-ng.spec
@@ -98,7 +98,7 @@ cat <<_EOF_
 _EOF_
 
 # zlib-ng uses a different macro for library directory.
-%global cmake_param %{?with_sanitizers:-DWITH_SANITIZER=ON} -DINSTALL_LIB_DIR=%{_libdir}
+%global cmake_param %{?with_sanitizers:-DWITH_SANITIZER=ON}
 
 # Setting __cmake_builddir is not necessary in this step, but do it anyway for symmetry.
 %global __cmake_builddir %{_vpath_builddir}