diff --git a/src/crater/module_crater.f90 b/src/crater/module_crater.f90
index b7666a8c..24a64867 100644
--- a/src/crater/module_crater.f90
+++ b/src/crater/module_crater.f90
@@ -195,7 +195,8 @@ end subroutine crater_tally_observed
    end interface
 
 interface
-   subroutine crater_tally_calibrated_count(user,diameter,current_depth,original_depth,deviation_sigma,countable,killable,p)
+   subroutine crater_tally_calibrated_count(user,diameter,current_depth,original_depth,&
+                                            deviation_sigma,countable,killable,p)
    use module_globals
    implicit none
    type(usertype),intent(in) :: user