diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 0eec8e9cb7179..e18f3740a9699 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -2664,7 +2664,7 @@ public class ActivityManagerService extends IActivityManager.Stub
                     ProcessRecord proc;
                     int procState;
                     int statType;
-                    int pid;
+                    int pid = -1;
                     long lastPssTime;
                     synchronized (ActivityManagerService.this) {
                         if (mPendingPssProcesses.size() <= 0) {