diff --git a/headers/private/media/AdapterIO.h b/headers/private/media/AdapterIO.h
index f13b2569f7..119b31f0cc 100644
--- a/headers/private/media/AdapterIO.h
+++ b/headers/private/media/AdapterIO.h
@@ -38,9 +38,8 @@ private:
 class BAdapterIO : public BMediaIO {
 public:
 									BAdapterIO(
-										int32 flags = B_MEDIA_STREAMING
-											| B_MEDIA_SEEKABLE,
-										bigtime_t timeout = B_INFINITE_TIMEOUT);
+										int32 flags,
+										bigtime_t timeout);
 	virtual							~BAdapterIO();
 
 	virtual void					GetFlags(int32* flags) const;
diff --git a/src/add-ons/media/plugins/http_streamer/HTTPMediaIO.cpp b/src/add-ons/media/plugins/http_streamer/HTTPMediaIO.cpp
index ae32db06fc..62b3d182ff 100644
--- a/src/add-ons/media/plugins/http_streamer/HTTPMediaIO.cpp
+++ b/src/add-ons/media/plugins/http_streamer/HTTPMediaIO.cpp
@@ -81,7 +81,7 @@ private:
 
 HTTPMediaIO::HTTPMediaIO(BUrl url)
 	:
-	BAdapterIO(HTTP_TIMEOUT),
+	BAdapterIO(B_MEDIA_STREAMING | B_MEDIA_SEEKABLE, HTTP_TIMEOUT),
 	fContext(NULL),
 	fReq(NULL),
 	fListener(NULL),