diff --git a/.gitignore b/.gitignore
index f6b2b20..a1565c0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@
 CMakeLists.txt.user
 /Manifest.toml
 /docs/build
+.vscode
diff --git a/src/itemmodel.jl b/src/itemmodel.jl
index ba290f2..3c29f40 100644
--- a/src/itemmodel.jl
+++ b/src/itemmodel.jl
@@ -8,6 +8,7 @@ Base.:+(a::QML.ItemDataRole, b::Integer) = convert(Int32,a) + b
 # Allow roles as keys in Dicts:
 Base.trailing_zeros(role::ItemDataRole) = Base.trailing_zeros(convert(Int32,role))
 Base.:(>>)(a::ItemDataRole, b::Int64) = convert(Int32, a) >> b
+Base.:(>>)(a::ItemDataRole, b::Int32) = convert(Int32, a) >> b
 mutable struct ItemModelData{DataT}
   values::Observable{DataT}
   roles::RoleNames
diff --git a/test/containers.jl b/test/containers.jl
index 9ee542b..2a3f386 100644
--- a/test/containers.jl
+++ b/test/containers.jl
@@ -44,12 +44,12 @@ let h = QML.QHash{Int32,QML.QByteArray}()
   @test isempty(h)
 end
 
-let numbers = Int32[1,2,3,4], model = JuliaItemModel(numbers)
+let numbers = [1,2,3,4], model = JuliaItemModel(numbers)
   modeldata = QML.get_julia_data(model)
   @test QML.rowcount(modeldata) == 4
   @test QML.colcount(modeldata) == 1
   @test QML.value(QML.data(modeldata, QML.DisplayRole,3,1)) == "3"
-  @test QML.setdata!(model, QVariant(Int32(5)), QML.EditRole, 3, 1)
+  @test QML.setdata!(model, QVariant(5), QML.EditRole, 3, 1)
   @test QML.value(QML.data(modeldata, QML.DisplayRole,3,1)) == "5"
   @test QML.value(QML.headerdata(modeldata, 2, QML.Vertical, QML.DisplayRole)) == 2
   @test_logs (:warn,"Setting header data is not supported in this model") QML.setheaderdata!(model, 1, QML.Vertical, QML.EditRole, "One")