diff --git a/src/fraggle/fraggle_setup.f90 b/src/fraggle/fraggle_setup.f90
index 5b9442ff6..63e2a2f5b 100644
--- a/src/fraggle/fraggle_setup.f90
+++ b/src/fraggle/fraggle_setup.f90
@@ -45,7 +45,7 @@ module subroutine fraggle_setup_fragments(self, n, param)
       integer(I4B),               intent(in)    :: n
       class(swiftest_parameters), intent(in) :: param
 
-      call self%collision_fragments%setup(n, param) 
+      call collision_setup_fragments(self, n, param) 
       if (n < 0) return
 
       if (allocated(self%v_r_mag)) deallocate(self%v_r_mag)