diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index bb0c0cf798858..0bd134c8dfaca 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -5364,7 +5364,7 @@ public class ActivityManagerService extends IActivityManager.Stub
             return false;
         }
 
-        if (didSomething) {
+        if (!didSomething) {
             updateOomAdjLocked(app, OomAdjuster.OOM_ADJ_REASON_PROCESS_BEGIN);
             checkTime(startTime, "attachApplicationLocked: after updateOomAdjLocked");
         }