diff --git a/service-t/src/com/android/server/net/StatsMapKey.java b/service-t/src/com/android/server/net/StatsMapKey.java
index a26fa5b..44269b3 100644
--- a/service-t/src/com/android/server/net/StatsMapKey.java
+++ b/service-t/src/com/android/server/net/StatsMapKey.java
@@ -24,8 +24,8 @@
  * Key for both stats maps.
  */
 public class StatsMapKey extends Struct {
-    @Field(order = 0, type = Type.U32)
-    public final long uid;
+    @Field(order = 0, type = Type.S32)
+    public final int uid;
 
     @Field(order = 1, type = Type.U32)
     public final long tag;
@@ -36,7 +36,7 @@
     @Field(order = 3, type = Type.S32)
     public final int ifaceIndex;
 
-    public StatsMapKey(final long uid, final long tag, final long counterSet,
+    public StatsMapKey(final int uid, final long tag, final long counterSet,
             final int ifaceIndex) {
         this.uid = uid;
         this.tag = tag;