diff --git a/proprietary/wvm/WVMExtractorImpl.cpp b/proprietary/wvm/WVMExtractorImpl.cpp
index 0ec860e2..5fb3a50e 100644
--- a/proprietary/wvm/WVMExtractorImpl.cpp
+++ b/proprietary/wvm/WVMExtractorImpl.cpp
@@ -487,7 +487,7 @@ size_t WVMExtractorImpl::countTracks() {
     return 2;  // 1 audio + 1 video
 }
 
-sp<MediaSource> WVMExtractorImpl::getTrack(size_t index)
+sp<IMediaSource> WVMExtractorImpl::getTrack(size_t index)
 {
     status_t err;
     if ((err = readMetaData()) != OK) {
diff --git a/proprietary/wvm/include/WVMExtractorImpl.h b/proprietary/wvm/include/WVMExtractorImpl.h
index 17726f5a..51e60cd4 100644
--- a/proprietary/wvm/include/WVMExtractorImpl.h
+++ b/proprietary/wvm/include/WVMExtractorImpl.h
@@ -27,7 +27,7 @@ public:
     WVMExtractorImpl(sp<DataSource> dataSource);
 
     virtual size_t countTracks();
-    virtual sp<MediaSource> getTrack(size_t index);
+    virtual sp<IMediaSource> getTrack(size_t index);
     virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags);
 
     virtual sp<MetaData> getMetaData();
diff --git a/proprietary/wvm/wvm-core.mk b/proprietary/wvm/wvm-core.mk
index 139465b5..0d452f02 100644
--- a/proprietary/wvm/wvm-core.mk
+++ b/proprietary/wvm/wvm-core.mk
@@ -13,7 +13,10 @@ LOCAL_WHOLE_STATIC_LIBRARIES := \
     libwvmcommon
 
 LOCAL_SHARED_LIBRARIES := \
+    libbinder \
+    libmedia \
     libstagefright \
+    libstagefright_foundation \
     libWVStreamControlAPI_L$(BOARD_WIDEVINE_OEMCRYPTO_LEVEL) \
     libdrmframework \
     libcutils \