diff --git a/source/mod_settings.f90 b/source/mod_settings.f90
index 535d8ad69d6097402a2ca3a67acb57746a6784dc..5dd545e9274665105e652b473e3b320a85e72909 100644
--- a/source/mod_settings.f90
+++ b/source/mod_settings.f90
@@ -934,7 +934,7 @@ module mod_settings
         print*, 'ERROR: incorrect value of measerr'
         stop
       endif
-      if ( config%cinierr.lt.0. ) then
+      if ( config%spec.ne.'aer'.and.config%cinierr.lt.0. ) then
         print*, 'ERROR: incorrect value of cinierr'
         stop
       endif