diff --git a/modules/juce_osc/osc/juce_OSCBundle.h b/modules/juce_osc/osc/juce_OSCBundle.h
index a569da7ae0..23ed8d04b9 100644
--- a/modules/juce_osc/osc/juce_OSCBundle.h
+++ b/modules/juce_osc/osc/juce_OSCBundle.h
@@ -64,7 +64,7 @@ public:
 
         An OSCBundle Element contains either one OSCMessage or one OSCBundle.
      */
-    class Element
+    class JUCE_API  Element
     {
     public:
         //==============================================================================