diff --git a/modules/juce_gui_basics/layout/juce_TabbedComponent.cpp b/modules/juce_gui_basics/layout/juce_TabbedComponent.cpp
index 437c497dfa..7b13a45b9c 100644
--- a/modules/juce_gui_basics/layout/juce_TabbedComponent.cpp
+++ b/modules/juce_gui_basics/layout/juce_TabbedComponent.cpp
@@ -56,10 +56,7 @@ namespace TabbedComponentHelpers
 //==============================================================================
 struct TabbedComponent::ButtonBar  : public TabbedButtonBar
 {
-    ButtonBar (TabbedComponent& tabComp, TabbedButtonBar::Orientation o)
-        : TabbedButtonBar (o), owner (tabComp)
-    {
-    }
+    ButtonBar (TabbedComponent& tabComp, TabbedButtonBar::Orientation o);
 
     void currentTabChanged (int newCurrentTabIndex, const String& newTabName)
     {
@@ -86,6 +83,12 @@ struct TabbedComponent::ButtonBar  : public TabbedButtonBar
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ButtonBar)
 };
 
+// The following implementation is outside of the class definition to avoid spurious
+// warning messages when dynamically loading libraries at runtime on macOS
+TabbedComponent::ButtonBar::ButtonBar (TabbedComponent& tabComp, TabbedButtonBar::Orientation o)
+    : TabbedButtonBar (o), owner (tabComp)
+{
+}
 
 //==============================================================================
 TabbedComponent::TabbedComponent (TabbedButtonBar::Orientation orientation)