diff --git a/src/tc_bi_ortho/slater_tc_opt.irp.f b/src/tc_bi_ortho/slater_tc_opt_diag.irp.f
similarity index 100%
rename from src/tc_bi_ortho/slater_tc_opt.irp.f
rename to src/tc_bi_ortho/slater_tc_opt_diag.irp.f