diff --git a/libs/binder/trusty/OS.cpp b/libs/binder/trusty/OS.cpp
index 187add4..bbfa381 100644
--- a/libs/binder/trusty/OS.cpp
+++ b/libs/binder/trusty/OS.cpp
@@ -32,4 +32,9 @@
     return res == 1 ? OK : UNKNOWN_ERROR;
 }
 
+status_t dupFileDescriptor(int oldFd, int* newFd) {
+    // TODO: implement separately
+    return INVALID_OPERATION;
+}
+
 } // namespace android
diff --git a/libs/binder/trusty/rules.mk b/libs/binder/trusty/rules.mk
index 83475f5..d0d0861 100644
--- a/libs/binder/trusty/rules.mk
+++ b/libs/binder/trusty/rules.mk
@@ -36,6 +36,7 @@
 	$(LIBBINDER_DIR)/IInterface.cpp \
 	$(LIBBINDER_DIR)/IResultReceiver.cpp \
 	$(LIBBINDER_DIR)/Parcel.cpp \
+	$(LIBBINDER_DIR)/ParcelFileDescriptor.cpp \
 	$(LIBBINDER_DIR)/RpcServer.cpp \
 	$(LIBBINDER_DIR)/RpcSession.cpp \
 	$(LIBBINDER_DIR)/RpcState.cpp \