diff --git a/services/java/com/android/server/MountService.java b/services/java/com/android/server/MountService.java
index 381a300..0cee31d 100644
--- a/services/java/com/android/server/MountService.java
+++ b/services/java/com/android/server/MountService.java
@@ -1052,7 +1052,7 @@
     }
 
     public void unmountSecureContainer(String id) throws IllegalStateException {
-        String cmd = String.format("unmount_asec %s ", id);
+        String cmd = String.format("unmount_asec %s", id);
         mConnector.doCommand(cmd);
     }