diff --git a/test/test_tree_1d_advection.jl b/test/test_tree_1d_advection.jl
index bf44b7e072d..f061e2e1c30 100644
--- a/test/test_tree_1d_advection.jl
+++ b/test/test_tree_1d_advection.jl
@@ -135,6 +135,10 @@ end
         t = sol.t[end]
         u_ode = sol.u[end]
         du_ode = similar(u_ode)
+        # Larger values for allowed allocations due to usage of custom 
+        # integrator which are not *recorded* for the methods from 
+        # OrdinaryDiffEq.jl
+        # Corresponding issue: https://github.com/trixi-framework/Trixi.jl/issues/1877
         @test (@allocated Trixi.rhs!(du_ode, u_ode, semi, t)) < 8000
     end
 end