diff --git a/src/components/finder/Finder.tsx b/src/components/finder/Finder.tsx
index e67084b..6d59251 100644
--- a/src/components/finder/Finder.tsx
+++ b/src/components/finder/Finder.tsx
@@ -143,7 +143,7 @@ const Finder: Component<Props> = (props) => {
           <TextField onChange={searchStringChangeHandler} />
         </Box>
       </Dialog>
-      <div class={style.ol_popup} ref={popupElement}>
+      <div class={style.ol_popup + ' ol_popup'} ref={popupElement}>
         <a
           href='#'
           onclick={popupCloseHandler}
diff --git a/src/components/finder/finder.css b/src/components/finder/finder.css
index 4425e28..356e4f9 100644
--- a/src/components/finder/finder.css
+++ b/src/components/finder/finder.css
@@ -1,3 +1,3 @@
-.ol-map .ol_popup {
+.ol-map > .ol_popup {
   visibility: hidden;
 }