diff --git a/src/kits/media/DefaultMediaTheme.cpp b/src/kits/media/DefaultMediaTheme.cpp
index d2566939da..392e2c706e 100644
--- a/src/kits/media/DefaultMediaTheme.cpp
+++ b/src/kits/media/DefaultMediaTheme.cpp
@@ -34,6 +34,8 @@ using namespace BPrivate;
 
 namespace BPrivate {
 
+namespace DefaultMediaControls {
+
 class SeparatorView : public BView {
 	public:
 		SeparatorView(orientation orientation);
@@ -140,6 +142,10 @@ class DiscreteMessageFilter : public MessageFilter {
 		BDiscreteParameter	&fParameter;
 };
 
+};
+
+using namespace DefaultMediaControls;
+
 }	// namespace BPrivate