diff --git a/ext/MathOptAIPythonCallExt.jl b/ext/MathOptAIPythonCallExt.jl
index 29e40de..3e9b4fc 100644
--- a/ext/MathOptAIPythonCallExt.jl
+++ b/ext/MathOptAIPythonCallExt.jl
@@ -43,9 +43,6 @@ function MathOptAI.add_predictor(
 )
     inner_predictor = MathOptAI.build_predictor(predictor; config)
     if reduced_space
-        # If config maps to a ReducedSpace predictor, we'll get a MethodError
-        # when trying to add the nested redcued space predictors.
-        # TODO: raise a nicer error or try to handle this gracefully.
         inner_predictor = MathOptAI.ReducedSpace(inner_predictor)
     end
     return MathOptAI.add_predictor(model, inner_predictor, x)
diff --git a/src/MathOptAI.jl b/src/MathOptAI.jl
index c244cbf..60dbabb 100644
--- a/src/MathOptAI.jl
+++ b/src/MathOptAI.jl
@@ -128,6 +128,8 @@ struct ReducedSpace{P<:AbstractPredictor} <: AbstractPredictor
     predictor::P
 end
 
+ReducedSpace(predictor::ReducedSpace) = predictor
+
 include("utilities.jl")
 
 for file in filter(
diff --git a/test/test_predictors.jl b/test/test_predictors.jl
index 3aed416..d0c74a0 100644
--- a/test/test_predictors.jl
+++ b/test/test_predictors.jl
@@ -331,6 +331,12 @@ function test_ReducedSpace_Tanh()
     return
 end
 
+function test_ReducedSpace_ReducedSpace()
+    predictor = MathOptAI.ReducedSpace(MathOptAI.Tanh())
+    @test MathOptAI.ReducedSpace(predictor) === predictor
+    return
+end
+
 end  # module
 
 TestPredictors.runtests()