diff --git a/AdvCore_GridCompMod.F90 b/AdvCore_GridCompMod.F90
index bea7838..50d2e41 100755
--- a/AdvCore_GridCompMod.F90
+++ b/AdvCore_GridCompMod.F90
@@ -599,6 +599,9 @@ subroutine Run(GC, IMPORT, EXPORT, CLOCK, RC)
                adjustTracers = .true.
             end if
          end if
+      else if (adjustTracerMode == 'NO') then
+         ! Proceed without warning
+         adjustTracers = .false.
       else
          call WRITE_PARALLEL('Invalid option, ignored')
          adjustTracers = .false.