diff --git a/Tests/Fortran/mysub.f b/Tests/Fortran/mysub.f
index 36b415530..4b108e333 100644
--- a/Tests/Fortran/mysub.f
+++ b/Tests/Fortran/mysub.f
@@ -1,4 +1,5 @@
       subroutine mysub
+        print *, 'Printing this requires fortran language libraries'
       end subroutine
       subroutine my_sub
       end subroutine