diff --git a/ios/RNIModalSheetView/RNIModalSheetViewController.swift b/ios/RNIModalSheetView/RNIModalSheetViewController.swift
index d49f909a..e3086976 100644
--- a/ios/RNIModalSheetView/RNIModalSheetViewController.swift
+++ b/ios/RNIModalSheetView/RNIModalSheetViewController.swift
@@ -57,7 +57,7 @@ open class RNIModalSheetViewController: ModalSheetViewControllerLifecycleNotifie
     
     // MARK: Setup Constraints
     #if !RCT_NEW_ARCH_ENABLED
-    rootReactView.removeAllAncestorConstraints();
+    mainSheetContentParent.removeAllAncestorConstraints();
     #endif
     
     self.view.addSubview(mainSheetContentParent);
diff --git a/ios/RNIModalSheetView/RNIModalSheetViewManager.mm b/ios/RNIModalSheetView/RNIModalSheetViewManager.mm
index c7b5872d..0a1459ed 100644
--- a/ios/RNIModalSheetView/RNIModalSheetViewManager.mm
+++ b/ios/RNIModalSheetView/RNIModalSheetViewManager.mm
@@ -12,6 +12,8 @@
 #import <React/RCTViewManager.h>
 #import <React/RCTUIManager.h>
 
+#import "react-native-ios-utilities/RNIBaseViewUtils.h"
+
 
 @interface RNIModalSheetViewManager : RCTViewManager
 @end