diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/android/internal/os/ZygoteInit.java
index 8c6653d1e3f01..4ebe6d6c6e6d0 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -595,7 +595,8 @@ public class ZygoteInit {
             OsConstants.CAP_SYS_NICE,
             OsConstants.CAP_SYS_RESOURCE,
             OsConstants.CAP_SYS_TIME,
-            OsConstants.CAP_SYS_TTY_CONFIG
+            OsConstants.CAP_SYS_TTY_CONFIG,
+            OsConstants.CAP_WAKE_ALARM
         );
         /* Hardcoded command line to start the system server */
         String args[] = {