diff --git a/src/NLopt.jl b/src/NLopt.jl
index 710059e..bc699c5 100644
--- a/src/NLopt.jl
+++ b/src/NLopt.jl
@@ -800,16 +800,6 @@ function optimize(o::Opt, x::AbstractVector{<:Real})
     return optimize!(o, copyto!(Array{Cdouble}(undef, length(x)), x))
 end
 
-@static if !isdefined(Base, :get_extension)
-    include("../ext/NLoptMathOptInterfaceExt.jl")
-    using .NLoptMathOptInterfaceExt
-    const Optimizer = NLoptMathOptInterfaceExt.Optimizer
-else
-    # declare this upfront so that the MathOptInterface extension can assign it
-    # without creating a new global
-    global Optimizer
-end
-
 export Opt,
     NLOPT_VERSION,
     algorithm,
@@ -853,4 +843,14 @@ export Opt,
     Algorithm,
     Result
 
+@static if !isdefined(Base, :get_extension)
+    include("../ext/NLoptMathOptInterfaceExt.jl")
+    using .NLoptMathOptInterfaceExt
+    const Optimizer = NLoptMathOptInterfaceExt.Optimizer
+else
+    # declare this upfront so that the MathOptInterface extension can assign it
+    # without creating a new global
+    global Optimizer
+end
+
 end # module