diff --git a/OmiseSDK/Sources/ToolKit/UI Extensions/UIScrollView+Helpers.swift b/OmiseSDK/Sources/ToolKit/UI Extensions/UIScrollView+Helpers.swift
index 76961b02..9fd0c08e 100644
--- a/OmiseSDK/Sources/ToolKit/UI Extensions/UIScrollView+Helpers.swift	
+++ b/OmiseSDK/Sources/ToolKit/UI Extensions/UIScrollView+Helpers.swift	
@@ -19,7 +19,7 @@ extension UIScrollView {
 
             let bottomScrollIndicatorInset: CGFloat
             if #available(iOS 11.0, *) {
-                bottomScrollIndicatorInset = keyboardFrame.height - safeAreaInsets.bottom
+                bottomScrollIndicatorInset = keyboardFrame.height - self.safeAreaInsets.bottom
             } else {
                 bottomScrollIndicatorInset = keyboardFrame.height
             }