diff --git a/html/admin/setup.php b/html/admin/setup.php
index 17d06caa4..d108226cd 100644
--- a/html/admin/setup.php
+++ b/html/admin/setup.php
@@ -500,6 +500,10 @@ if ( DEBUG=='false' ) ob_start();
     ExecuteScript($db,'sql/patch/upgrade25.sql');
   } // version 
 
+  if ( GetVersion($db) == 26 ) { 
+    ExecuteScript($db,'sql/patch/upgrade26.sql');
+  } // version 
+
 if ( DEBUG == 'false') ob_end_clean();
  }//for
 
@@ -612,6 +616,10 @@ if (DEBUG == 'false' ) ob_start();
     ExecuteScript($db,'sql/patch/upgrade25.sql');
   } // version 
 
+  if ( GetVersion($db) == 26 ) { 
+    ExecuteScript($db,'sql/patch/upgrade26.sql');
+  } // version 
+
 if ( DEBUG == 'false') ob_end_clean();
  }
 
diff --git a/html/admin/sql/patch/upgrade26.sql b/html/admin/sql/patch/upgrade26.sql
new file mode 100644
index 000000000..171fd8096
--- /dev/null
+++ b/html/admin/sql/patch/upgrade26.sql
@@ -0,0 +1,31 @@
+begin;
+CREATE or replace FUNCTION account_compute(p_f_id integer) RETURNS poste_comptable
+    AS $$
+declare
+        class_base poste_comptable;
+        maxcode poste_comptable;
+begin
+        select fd_class_base into class_base
+        from
+                fiche_def join fiche using (fd_id)
+        where
+                f_id=p_f_id;
+        raise notice 'account_compute class base %',class_base;
+        select count (pcm_val) into maxcode from tmp_pcmn where pcm_val_parent = class_base;
+        if maxcode = 0  then
+                maxcode:=class_base;
+        else
+                select max (pcm_val) into maxcode from tmp_pcmn where pcm_val_parent = class_base;
+        end if;
+        if maxcode = class_base then
+                maxcode:=class_base*1000;
+        end if;
+        maxcode:=maxcode+1;
+        raise notice 'account_compute Max code %',maxcode;
+        return maxcode;
+end;
+$$
+    LANGUAGE plpgsql;
+
+update version set val=27;
+commit;