diff --git a/lib/OrdinaryDiffEqBDF/src/algorithms.jl b/lib/OrdinaryDiffEqBDF/src/algorithms.jl
index 6b75198ab1..cd41ff9a0c 100644
--- a/lib/OrdinaryDiffEqBDF/src/algorithms.jl
+++ b/lib/OrdinaryDiffEqBDF/src/algorithms.jl
@@ -156,7 +156,7 @@ like `KenCarp4`, but instead using a multistep BDF approach",
     ark = false,
     order,
     """)
-struct SBDF{CS, AD, F, F2 FDT, ST, CJ, K, T} <:
+struct SBDF{CS, AD, F, F2, FDT, ST, CJ, K, T} <:
        OrdinaryDiffEqNewtonAlgorithm{CS, AD, FDT, ST, CJ}
     linsolve::F
     nlsolve::F2