diff --git a/modules/juce_gui_basics/components/juce_Component.cpp b/modules/juce_gui_basics/components/juce_Component.cpp
index 691fbbaead..dab9d6dbc8 100644
--- a/modules/juce_gui_basics/components/juce_Component.cpp
+++ b/modules/juce_gui_basics/components/juce_Component.cpp
@@ -1370,7 +1370,7 @@ AffineTransform Component::getTransform() const
     return affineTransform != nullptr ? *affineTransform : AffineTransform();
 }
 
-float Component::getApproximateScaleFactorForComponent (Component* targetComponent)
+float Component::getApproximateScaleFactorForComponent (const Component* targetComponent)
 {
     AffineTransform transform;
 
diff --git a/modules/juce_gui_basics/components/juce_Component.h b/modules/juce_gui_basics/components/juce_Component.h
index 711d3d5541..c721a4292f 100644
--- a/modules/juce_gui_basics/components/juce_Component.h
+++ b/modules/juce_gui_basics/components/juce_Component.h
@@ -615,7 +615,7 @@ public:
     /** Returns the approximate scale factor for a given component by traversing its parent hierarchy
         and applying each transform and finally scaling this by the global scale factor.
     */
-    static float JUCE_CALLTYPE getApproximateScaleFactorForComponent (Component* targetComponent);
+    static float JUCE_CALLTYPE getApproximateScaleFactorForComponent (const Component* targetComponent);
 
     //==============================================================================
     /** Returns a proportion of the component's width.