diff --git a/libs/gui/LayerMetadata.cpp b/libs/gui/LayerMetadata.cpp
index c8a2b07..745433a 100644
--- a/libs/gui/LayerMetadata.cpp
+++ b/libs/gui/LayerMetadata.cpp
@@ -105,6 +105,8 @@
             return StringPrintf("ownerUID%s%d", separator, getInt32(key, 0));
         case METADATA_WINDOW_TYPE:
             return StringPrintf("windowType%s%d", separator, getInt32(key, 0));
+        case METADATA_TASK_ID:
+            return StringPrintf("taskId%s%d", separator, getInt32(key, 0));
         default:
             return StringPrintf("%d%s%dbytes", key, separator,
                                 static_cast<int>(mMap.at(key).size()));
diff --git a/libs/gui/include/gui/LayerMetadata.h b/libs/gui/include/gui/LayerMetadata.h
index 5012181..3ae10e4 100644
--- a/libs/gui/include/gui/LayerMetadata.h
+++ b/libs/gui/include/gui/LayerMetadata.h
@@ -22,7 +22,7 @@
 
 namespace android {
 
-enum { METADATA_OWNER_UID = 1, METADATA_WINDOW_TYPE = 2 };
+enum { METADATA_OWNER_UID = 1, METADATA_WINDOW_TYPE = 2, METADATA_TASK_ID = 3 };
 
 struct LayerMetadata : public Parcelable {
     std::unordered_map<uint32_t, std::vector<uint8_t>> mMap;