diff --git a/fortran/www/app/main.f90 b/fortran/www/app/main.f90
index bad480e..163e45c 100644
--- a/fortran/www/app/main.f90
+++ b/fortran/www/app/main.f90
@@ -51,6 +51,7 @@ contains
 
    subroutine add_user(db_path, request, length)
       character(len=128), intent(in) :: db_path
+      character, dimension(:), allocatable, intent(in) :: request
       integer, intent(in) :: length
 
       integer :: i, j, s_idx, e_idx, username_len, password_len