diff --git a/openbox.spec b/openbox.spec
index 14ee2cd..2a611ef 100644
--- a/openbox.spec
+++ b/openbox.spec
@@ -102,7 +102,7 @@ sed -ie 's|^hardcode_libdir_flag_spec=.*$|hardcode_libdir_flag_spec=""|g' libtoo
 sed -ie 's|^runpath_var=LD_RUN_PATH$|runpath_var=DIE_RPATH_DIE|g' libtool
 make %{?_smp_mflags}
 
-gcc %{optflags} -o setlayout %{SOURCE1} -lX11
+gcc $RPM_OPT_FLAGS $RPM_LD_FLAGS -o setlayout %{SOURCE1} -lX11
 
 %install
 make install DESTDIR=%{buildroot}