diff --git a/ReactAndroid/src/main/java/com/facebook/react/ReactRootView.java b/ReactAndroid/src/main/java/com/facebook/react/ReactRootView.java
index fc0e891a289..6b528916857 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/ReactRootView.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/ReactRootView.java
@@ -19,6 +19,7 @@ import android.graphics.Rect;
 import android.os.Build;
 import android.os.Bundle;
 import android.util.AttributeSet;
+import android.util.DisplayMetrics;
 import android.view.DisplayCutout;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
@@ -443,6 +444,11 @@ public class ReactRootView extends FrameLayout implements RootView, ReactRoot {
       // if in this experiment, we initialize the root earlier in startReactApplication
       // instead of waiting for the initial measure
       if (ReactFeatureFlags.enableEagerRootViewAttachment) {
+        if (!mWasMeasured) {
+          // Ideally, those values will be used by default, but we only update them here to scope
+          // this change to `enableEagerRootViewAttachment` experiment.
+          setSurfaceConstraintsToScreenSize();
+        }
         attachToReactInstanceManager();
       }
     } finally {
@@ -450,6 +456,14 @@ public class ReactRootView extends FrameLayout implements RootView, ReactRoot {
     }
   }
 
+  private void setSurfaceConstraintsToScreenSize() {
+    DisplayMetrics displayMetrics = getContext().getResources().getDisplayMetrics();
+    mWidthMeasureSpec =
+        MeasureSpec.makeMeasureSpec(displayMetrics.widthPixels, MeasureSpec.AT_MOST);
+    mHeightMeasureSpec =
+        MeasureSpec.makeMeasureSpec(displayMetrics.heightPixels, MeasureSpec.AT_MOST);
+  }
+
   @Override
   public int getWidthMeasureSpec() {
     return mWidthMeasureSpec;