diff --git a/src/Blazored.Modal/BlazoredModal.razor.js b/src/Blazored.Modal/BlazoredModal.razor.js
index 106d3d8..a7a4241 100644
--- a/src/Blazored.Modal/BlazoredModal.razor.js
+++ b/src/Blazored.Modal/BlazoredModal.razor.js
@@ -11,7 +11,7 @@ const getScrollBarWidth = () => {
 }
 const isScrollbarPresent = () => {
     const beforeScrollbarHidden = document.body.clientWidth;
-    const overflowState = document.body?.style.overflow;
+    const overflowState = document.body.style.overflow;
     document.body.style.overflow = 'hidden';
     const afterScrollbarHidden = document.body.clientWidth;
     document.body.style.overflow = overflowState;
@@ -29,4 +29,4 @@ export function setBodyStyle() {
 export function removeBodyStyle() {
     el.style.overflow = originalProps.overflow || 'auto';
     el.style.paddingRight = originalProps.paddingRight;
-}
\ No newline at end of file
+}