From b800bd2adcc0b8ca8bc937d362995e710933fa9c Mon Sep 17 00:00:00 2001
From: Sebastian Mai <sebastian.mai@univie.ac.at>
Date: Mon, 18 Mar 2024 08:25:17 +0100
Subject: [PATCH] fixed I0 format specifier

---
 wfoverlap/source/iomod.f90 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/wfoverlap/source/iomod.f90 b/wfoverlap/source/iomod.f90
index aa10fa2..9539961 100644
--- a/wfoverlap/source/iomod.f90
+++ b/wfoverlap/source/iomod.f90
@@ -184,12 +184,12 @@ SUBROUTINE read_civec_native(file,coefs,SSD_a,SSD_b,nMO,nSD,nstate,nelec,nalpha,
       STOP 1
     END IF
     ! semi-elegant: read the first determinant string to get the number of electrons
-    WRITE(formatspec,'( "(A",I,")" )') nMO
+    WRITE(formatspec,'( "(A",I0,")" )') nMO
     READ(detflio,formatspec,IOSTAT=iost)detstring
     IF(debug)THEN
       WRITE(6,*) '"'//trim(detstring)//'"'
     ENDIF
-    WRITE(formatspec,'( "(A",I,",A)" )') nMO
+    WRITE(formatspec,'( "(A",I0,",A)" )') nMO
 
     na=0
     nb=0