diff --git a/src/functionwrapper.jl b/src/functionwrapper.jl
index efaf14f..6ded6f0 100644
--- a/src/functionwrapper.jl
+++ b/src/functionwrapper.jl
@@ -9,7 +9,7 @@ end
 (g::SDEDiffusionTermWrapper{false})(u, p, t) = g.g(u, g.h, p, t)
 
 struct SDEFunctionWrapper{iip, F, G, H, TMM, Ta, Tt, TJ, JVP, VJP, JP, SP, TW, TWt, TPJ, GG,
-                          TCV} <: DiffEqBase.AbstractRODEFunction{iip}
+                          TCV, ID, S} <: DiffEqBase.AbstractRODEFunction{iip}
     f::F
     g::G
     h::H
@@ -26,6 +26,8 @@ struct SDEFunctionWrapper{iip, F, G, H, TMM, Ta, Tt, TJ, JVP, VJP, JP, SP, TW, T
     paramjac::TPJ
     ggprime::GG
     colorvec::TCV
+    initialization_data::ID
+    sys::S
 end
 
 (f::SDEFunctionWrapper{true})(du, u, p, t) = f.f(du, u, f.h, p, t)
@@ -53,17 +55,9 @@ function wrap_functions_and_history(f::SDDEFunction, g, h)
                        typeof(f.analytic), typeof(f.tgrad), typeof(jac), typeof(f.jvp),
                        typeof(f.vjp), typeof(f.jac_prototype), typeof(f.sparsity),
                        typeof(f.Wfact), typeof(f.Wfact_t), typeof(f.paramjac),
-                       typeof(f.ggprime), typeof(f.colorvec)}(f.f, gwh, h,
-                                                                              f.mass_matrix,
-                                                                              f.analytic,
-                                                                              f.tgrad, jac,
-                                                                              f.jvp, f.vjp,
-                                                                              f.jac_prototype,
-                                                                              f.sparsity,
-                                                                              f.Wfact,
-                                                                              f.Wfact_t,
-                                                                              f.paramjac,
-                                                                              f.ggprime,
-                                                                              f.colorvec),
+                       typeof(f.ggprime), typeof(f.colorvec), typeof(f.initialization_data),
+                       typeof(f.sys)}(f.f, gwh, h, f.mass_matrix, f.analytic, f.tgrad, jac,
+                       f.jvp, f.vjp, f.jac_prototype, f.sparsity, f.Wfact, f.Wfact_t, f.paramjac,
+                       f.ggprime, f.colorvec, f.initialization_data, f.sys),
     gwh
 end