diff --git a/plugins/Full_CI_ZMQ/selection_buffer.irp.f b/plugins/Full_CI_ZMQ/selection_buffer.irp.f
index 8a067357..902e2af7 100644
--- a/plugins/Full_CI_ZMQ/selection_buffer.irp.f
+++ b/plugins/Full_CI_ZMQ/selection_buffer.irp.f
@@ -51,7 +51,7 @@ subroutine sort_selection_buffer(b)
 
 
   allocate(iorder(b%cur), detmp(N_int, 2, size(b%det,3)), absval(b%cur), vals(size(b%val)))
-  absval = -dabs(b%val(:b%cur))
+  absval = b%val(:b%cur)
   do i=1,b%cur
     iorder(i) = i
   end do
diff --git a/src/Utils/sort.irp.f b/src/Utils/sort.irp.f
index ee1e4cca..1ebf3b17 100644
--- a/src/Utils/sort.irp.f
+++ b/src/Utils/sort.irp.f
@@ -202,11 +202,11 @@ BEGIN_TEMPLATE
   if (isize < 2) then
     return
   endif
-  call sorted_$Xnumber(x,isize,n)
-  if (isize == n) then
-    return
-  endif
-  if ( isize < 32+n) then
+!  call sorted_$Xnumber(x,isize,n)
+!  if (isize == n) then
+!    return
+!  endif
+  if ( isize < 16) then
     call insertion_$Xsort(x,iorder,isize)
   else
     call heap_$Xsort(x,iorder,isize)