diff --git a/test/algconvergence/ode_firk_tests.jl b/test/algconvergence/ode_firk_tests.jl
index c9651f43a3..83469237a6 100644
--- a/test/algconvergence/ode_firk_tests.jl
+++ b/test/algconvergence/ode_firk_tests.jl
@@ -8,10 +8,10 @@ for prob in [prob_ode_linear, prob_ode_2Dlinear]
     @test sim21.𝒪est[:final]≈5 atol=testTol
 end
 
-sim21 = test_convergence(1 ./ 2 .^ (2.75:-0.5:0.25), prob_ode_linear, RadauIIA9())
+sim21 = test_convergence(1 ./ 2 .^ (2.75:-1:0.75), prob_ode_linear, RadauIIA9())
 @test sim21.𝒪est[:final]≈8 atol=testTol
 
-sim21 = test_convergence(1 ./ 2 .^ (2.75:-0.5:0.25), prob_ode_2Dlinear, RadauIIA0())
+sim21 = test_convergence(1 ./ 2 .^ (2.75:-1:0.75), prob_ode_2Dlinear, RadauIIA9())
 @test sim21.𝒪est[:final]≈8 atol=testTol
 
 # test adaptivity