diff --git a/Source/Charts/Renderers/XAxisRenderer.swift b/Source/Charts/Renderers/XAxisRenderer.swift
index a20be3818d..966bf3b7e1 100644
--- a/Source/Charts/Renderers/XAxisRenderer.swift
+++ b/Source/Charts/Renderers/XAxisRenderer.swift
@@ -16,9 +16,9 @@ import CoreGraphics
 @objc(ChartXAxisRenderer)
 open class XAxisRenderer: NSObject, AxisRenderer
 {
-    public let viewPortHandler: ViewPortHandler
-    public let axis: XAxis
-    public let transformer: Transformer?
+    @objc public let viewPortHandler: ViewPortHandler
+    @objc public let axis: XAxis
+    @objc public let transformer: Transformer?
 
     @objc public init(viewPortHandler: ViewPortHandler, axis: XAxis, transformer: Transformer?)
     {
diff --git a/Source/Charts/Renderers/YAxisRenderer.swift b/Source/Charts/Renderers/YAxisRenderer.swift
index e1d8bf65f5..7175ff1633 100644
--- a/Source/Charts/Renderers/YAxisRenderer.swift
+++ b/Source/Charts/Renderers/YAxisRenderer.swift
@@ -16,9 +16,9 @@ import CoreGraphics
 @objc(ChartYAxisRenderer)
 open class YAxisRenderer: NSObject, AxisRenderer
 {
-    public let viewPortHandler: ViewPortHandler
-    public let axis: YAxis
-    public let transformer: Transformer?
+    @objc public let viewPortHandler: ViewPortHandler
+    @objc public let axis: YAxis
+    @objc public let transformer: Transformer?
 
     @objc public init(viewPortHandler: ViewPortHandler, axis: YAxis, transformer: Transformer?)
     {