diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index c69af6c853990..f2e0d3befbf35 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -17481,6 +17481,7 @@ public class ActivityManagerService extends IActivityManager.Stub
                         final long myTotalPss = mi.getTotalPss();
                         final long myTotalSwapPss = mi.getTotalSwappedOutPss();
                         totalPss += myTotalPss;
+                        totalSwapPss += myTotalSwapPss;
                         nativeProcTotalPss += myTotalPss;
 
                         MemItem pssItem = new MemItem(st.name + " (pid " + st.pid + ")",