diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index 87c9842..bc1a71c 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -601,6 +601,7 @@
 {
     writeInt32(IPCThreadState::self()->getStrictModePolicy() |
                STRICT_MODE_PENALTY_GATHER);
+    writeInt32(IPCThreadState::self()->getWorkSource());
     // currently the interface identification token is just its name as a string
     return writeString16(interface);
 }
@@ -613,6 +614,7 @@
 bool Parcel::enforceInterface(const String16& interface,
                               IPCThreadState* threadState) const
 {
+    // StrictModePolicy.
     int32_t strictPolicy = readInt32();
     if (threadState == nullptr) {
         threadState = IPCThreadState::self();
@@ -627,6 +629,10 @@
     } else {
       threadState->setStrictModePolicy(strictPolicy);
     }
+    // WorkSource.
+    int32_t workSource = readInt32();
+    threadState->setWorkSource(workSource);
+    // Interface descriptor.
     const String16 str(readString16());
     if (str == interface) {
         return true;