diff --git a/core/java/android/view/SurfaceControl.java b/core/java/android/view/SurfaceControl.java
index 7ff4f21dd26fe..d4610a56332f8 100644
--- a/core/java/android/view/SurfaceControl.java
+++ b/core/java/android/view/SurfaceControl.java
@@ -353,8 +353,8 @@ public class SurfaceControl implements Parcelable {
         private int mFormat = PixelFormat.OPAQUE;
         private String mName;
         private SurfaceControl mParent;
-        private int mWindowType;
-        private int mOwnerUid;
+        private int mWindowType = -1;
+        private int mOwnerUid = -1;
 
         /**
          * Begin building a SurfaceControl with a given {@link SurfaceSession}.