diff --git a/src/add-ons/media/plugins/http_streamer/HTTPMediaIO.cpp b/src/add-ons/media/plugins/http_streamer/HTTPMediaIO.cpp
index 1cabcd2211..82afc17178 100644
--- a/src/add-ons/media/plugins/http_streamer/HTTPMediaIO.cpp
+++ b/src/add-ons/media/plugins/http_streamer/HTTPMediaIO.cpp
@@ -12,6 +12,8 @@
 
 #include "MediaDebug.h"
 
+using namespace BCodecKit;
+
 
 // 10 seconds timeout
 #define HTTP_TIMEOUT 10000000
diff --git a/src/add-ons/media/plugins/http_streamer/HTTPMediaIO.h b/src/add-ons/media/plugins/http_streamer/HTTPMediaIO.h
index e917391d24..4ea2f3cbf3 100644
--- a/src/add-ons/media/plugins/http_streamer/HTTPMediaIO.h
+++ b/src/add-ons/media/plugins/http_streamer/HTTPMediaIO.h
@@ -12,6 +12,9 @@
 #include <UrlContext.h>
 #include <UrlProtocolAsynchronousListener.h>
 
+using BCodecKit::BAdapterIO;
+using BCodecKit::BInputAdapter;
+
 
 class FileListener;
 
diff --git a/src/add-ons/media/plugins/http_streamer/HTTPStreamerPlugin.h b/src/add-ons/media/plugins/http_streamer/HTTPStreamerPlugin.h
index 63f4ba919e..cd33260e27 100644
--- a/src/add-ons/media/plugins/http_streamer/HTTPStreamerPlugin.h
+++ b/src/add-ons/media/plugins/http_streamer/HTTPStreamerPlugin.h
@@ -8,6 +8,10 @@
 
 #include <Streamer.h>
 
+using BCodecKit::BMediaPlugin;
+using BCodecKit::BStreamer;
+using BCodecKit::BStreamerPlugin;
+
 
 class HTTPStreamer : public BStreamer
 {
diff --git a/src/add-ons/media/plugins/raw_decoder/RawDecoderPlugin.h b/src/add-ons/media/plugins/raw_decoder/RawDecoderPlugin.h
index c82c54b832..7ce7a9625d 100644
--- a/src/add-ons/media/plugins/raw_decoder/RawDecoderPlugin.h
+++ b/src/add-ons/media/plugins/raw_decoder/RawDecoderPlugin.h
@@ -27,6 +27,10 @@
 
 #include <Decoder.h>
 
+using BCodecKit::BMediaPlugin;
+using BCodecKit::BDecoder;
+using BCodecKit::BDecoderPlugin;
+
 
 class RawDecoder : public BDecoder
 {