diff --git a/lib/OrdinaryDiffEqCore/src/integrators/controllers.jl b/lib/OrdinaryDiffEqCore/src/integrators/controllers.jl
index 1f47f61ebc..9a0bb53267 100644
--- a/lib/OrdinaryDiffEqCore/src/integrators/controllers.jl
+++ b/lib/OrdinaryDiffEqCore/src/integrators/controllers.jl
@@ -141,8 +141,8 @@ end
     if iszero(EEst)
         q = inv(qmax)
     else
-        q11 = FastPower.fastpower(EEst, float(beta1))
-        q = q11 / FastPower.fastpower(qold, float(beta2))
+        q11 = FastPower.fastpower(EEst, convert(typeof(EEst),beta1))
+        q = q11 / FastPower.fastpower(qold, convert(typeof(EEst),beta2))
         integrator.q11 = q11
         @fastmath q = max(inv(qmax), min(inv(qmin), q / gamma))
     end
diff --git a/lib/OrdinaryDiffEqFIRK/test/ode_firk_tests.jl b/lib/OrdinaryDiffEqFIRK/test/ode_firk_tests.jl
index fc2bbbd7e6..b90c9da113 100644
--- a/lib/OrdinaryDiffEqFIRK/test/ode_firk_tests.jl
+++ b/lib/OrdinaryDiffEqFIRK/test/ode_firk_tests.jl
@@ -1,7 +1,7 @@
 using OrdinaryDiffEqFIRK, DiffEqDevTools, Test, LinearAlgebra
 import ODEProblemLibrary: prob_ode_linear, prob_ode_2Dlinear, van
 
-testTol = 0.3
+testTol = 0.35
 
 for prob in [prob_ode_linear, prob_ode_2Dlinear]
     sim21 = test_convergence(1 .// 2 .^ (6:-1:3), prob, RadauIIA5())