diff --git a/src/RoundingIntegers.jl b/src/RoundingIntegers.jl
index 148d6b6..7f85aff 100644
--- a/src/RoundingIntegers.jl
+++ b/src/RoundingIntegers.jl
@@ -33,6 +33,7 @@ else
     const RUInt = RUInt64
 end
 
+itype(::Type{RInteger}) = Integer
 itype(::Type{RSigned}) = Signed
 itype(::Type{RUnsigned}) = Unsigned
 itype(::Type{RInt8}) = Int8
diff --git a/test/runtests.jl b/test/runtests.jl
index f995616..ee5c5bc 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -18,6 +18,8 @@ end
     @test x === 5
     @test isa(convert(RUInt8, 2), RUInt8)
     @test -7 % RUInt8 === RUInt8(0xf9)
+    @test convert(RInteger, 3) === RInt(3)
+    @test convert(RInteger, 0x03) === RUInt8(3)
 
     @test typemin(RInt16) === RInt16(typemin(Int16))
     @test typemin(RInt32) === RInt32(typemin(Int32))