diff --git a/deps/src/polymake_arrays.cpp b/deps/src/polymake_arrays.cpp
index 8085b420..07b1366c 100644
--- a/deps/src/polymake_arrays.cpp
+++ b/deps/src/polymake_arrays.cpp
@@ -19,6 +19,7 @@ tparametric1 polymake_module_add_array(jlcxx::Module& polymake)
                pm::Array<std::string>, pm::Array<pm::Set<pm::Int>>,
                pm::Array<pm::Array<pm::Int>>,
                pm::Array<pm::Array<pm::Integer>>,
+               pm::Array<pm::Array<pm::Rational>>,
                pm::Array<pm::Matrix<pm::Integer>>>([](auto wrapped) {
             typedef typename decltype(wrapped)::type             WrappedT;
             typedef typename decltype(wrapped)::type::value_type elemType;
@@ -92,6 +93,10 @@ tparametric1 polymake_module_add_array(jlcxx::Module& polymake)
         "to_array_array_integer", [](const pm::perl::PropertyValue& pv) {
             return to_SmallObject<pm::Array<pm::Array<pm::Integer>>>(pv);
         });
+    polymake.method(
+        "to_array_array_rational", [](const pm::perl::PropertyValue& pv) {
+            return to_SmallObject<pm::Array<pm::Array<pm::Rational>>>(pv);
+        });
     polymake.method(
         "to_array_set_int", [](const pm::perl::PropertyValue& pv) {
             return to_SmallObject<pm::Array<pm::Set<pm::Int>>>(pv);
diff --git a/deps/type_setup.jl b/deps/type_setup.jl
index e301dea1..3c25bb2a 100644
--- a/deps/type_setup.jl
+++ b/deps/type_setup.jl
@@ -20,6 +20,7 @@ type_tuples = let NT = NamedTuple{(:type_string, :ctype, :jltype, :convert_f)}
 ( "Array_Set_Int",               "pm::Array<pm::Set<long>>",                 "Array{Set{CxxWrap.CxxLong}}",            "to_array_set_int" ),
 ( "Array_Array_Int",             "pm::Array<pm::Array<long>>",               "Array{Array{CxxWrap.CxxLong}}",          "to_array_array_int" ),
 ( "Array_Array_Integer",         "pm::Array<pm::Array<pm::Integer>>",        "Array{Array{Integer}}",        "to_array_array_integer" ),
+( "Array_Array_Rational",        "pm::Array<pm::Array<pm::Rational>>",       "Array{Array{Rational}}",       "to_array_array_rational" ),
 ( "Array_Matrix_Integer",        "pm::Array<pm::Matrix<pm::Integer>>",       "Array{Matrix{Integer}}",       "to_array_matrix_integer" ),
 ( "Array_BigObject",             "pm::Array<pm::perl::BigObject>",           "Array{BigObject}",             "to_array_bigobject" ),
 ( "Array_Polynomial_Integer_Int",      "pm::Array<pm::Polynomial<pm::Integer,long>>",         "Array{Polynomial{Integer,CxxWrap.CxxLong}}",    "to_array_polynomial_integer_int"),
diff --git a/src/arrays.jl b/src/arrays.jl
index 3396f6dd..bc7893fd 100644
--- a/src/arrays.jl
+++ b/src/arrays.jl
@@ -3,7 +3,7 @@ const Array_suppT = Union{Int64, CxxWrap.CxxLong,
                         String, CxxWrap.StdString,
                         Set{Int64}, Set{CxxWrap.CxxLong},
                         Array{Int64}, Array{CxxWrap.CxxLong},
-                        Array{Integer}, Matrix{Integer}}
+                        Array{Integer}, Array{Rational}, Matrix{Integer}}
 
 function Array{T}(::UndefInitializer, n::Base.Integer) where
     T <: Array_suppT
diff --git a/test/arrays.jl b/test/arrays.jl
index 809ba044..9195cbea 100644
--- a/test/arrays.jl
+++ b/test/arrays.jl
@@ -8,6 +8,7 @@
         (Polymake.Matrix{Polymake.Integer}, Polymake.Matrix{Polymake.Integer}([1 0; 2 1])),
         (Polymake.Array{Polymake.to_cxx_type(Int)}, Polymake.Array{Int64}(Int64[1, 2, 3])),
         (Polymake.Array{Polymake.Integer}, Polymake.Array{Polymake.Integer}(Polymake.Integer[1, 2, 3])),
+        (Polymake.Array{Polymake.Rational}, Polymake.Array{Polymake.Rational}(Polymake.Rational[1, 2, 3])),
         ]
         @test Polymake.Array{T} <: AbstractVector
         @test Polymake.Array{T}(undef, 3) isa AbstractVector