diff --git a/test/reversal_tests.jl b/test/reversal_tests.jl
index 4ee7bc78..cb4cc29e 100644
--- a/test/reversal_tests.jl
+++ b/test/reversal_tests.jl
@@ -123,6 +123,7 @@ end
         prob_forward = remake(prob, noise = W_forward, u0 = vec(prob.u0))
     end
     sys = complete(modelingtoolkitize(prob_forward))
+    mtkps = MTKParameters(sys, [])
     sys2 = stochastic_integral_transform(sys, -1 // 1)
     fdrift = generate_rhs(sys2; expression = Val{false})[i]
     fdif = generate_diffusion_function(sys2; expression = Val{false})[i]
@@ -137,7 +138,7 @@ end
         end
         prob_reverse = remake(
             prob_forward, f = SDEFunction(fdrift, fdif), noise = W_reverse,
-            tspan = reverse(prob.tspan), u0 = _u0)
+            tspan = reverse(prob.tspan), u0 = _u0, p = mtkps)
         sol_reverse = solve(prob_reverse, solver, dt = dt, adaptive = false)
 
         if i == 1
diff --git a/test/tau_leaping.jl b/test/tau_leaping.jl
index 2e6c3b40..12f9b8ee 100644
--- a/test/tau_leaping.jl
+++ b/test/tau_leaping.jl
@@ -1,4 +1,4 @@
-using StochasticDiffEq, JumpProcesses, DiffEqBase, Statistics
+using StochasticDiffEq, JumpProcesses, DiffEqBase, Statistics, OrdinaryDiffEq
 using Test, LinearAlgebra
 
 function regular_rate(out, u, p, t)