diff --git a/lib/OrdinaryDiffEqRKN/src/OrdinaryDiffEqRKN.jl b/lib/OrdinaryDiffEqRKN/src/OrdinaryDiffEqRKN.jl
index d1b0e197d3..7ddfbc2c8e 100644
--- a/lib/OrdinaryDiffEqRKN/src/OrdinaryDiffEqRKN.jl
+++ b/lib/OrdinaryDiffEqRKN/src/OrdinaryDiffEqRKN.jl
@@ -9,7 +9,7 @@ import OrdinaryDiffEq: alg_order, calculate_residuals!,
                        OrdinaryDiffEqPartitionedAlgorithm,
                        OrdinaryDiffEqAdaptiveAlgorithm, CompiledFloats, uses_uprev,
                        alg_cache, _vec, _reshape, @cache, isfsal, full_cache,
-                       constvalue, _unwrap_val, du_alias_or_new,
+                       constvalue, _unwrap_val, du_alias_or_new, _ode_interpolant,
                        trivial_limiter!, _ode_interpolant!, _ode_addsteps!
 using DiffEqBase, FastBroadcast, Polyester, MuladdMacro, RecursiveArrayTools
 using DiffEqBase: @def, @tight_loop_macros