diff --git a/src/scf_utils/huckel_complex.irp.f b/src/scf_utils/huckel_complex.irp.f
index 3fa1b4b0..284ba18b 100644
--- a/src/scf_utils/huckel_complex.irp.f
+++ b/src/scf_utils/huckel_complex.irp.f
@@ -1,4 +1,4 @@
-subroutine huckel_guess
+subroutine huckel_guess_complex
   implicit none
   BEGIN_DOC
 ! Build the MOs using the extended Huckel model