typo

Author: oscardssmith

lib/OrdinaryDiffEqDifferentiation/src/linsolve_utils.jl

@@ -14,7 +14,7 @@ function dolinsolve(integrator, linsolve; A = nothing, linu = nothing, b = nothi
             reinit!(linsolve; A)
         else
             (;u, p, t) = integrator
-            du = hasproperty(integrator) ? integrator.du : nothing
+            du = hasproperty(integrator, :du) ? integrator.du : nothing
             p = (du, u, p, t)
             reinit!(linsolve; A, p)
         end