diff --git a/scss/_custom-forms.scss b/scss/_custom-forms.scss
index 0057b330f1c6..3bf89628ad2a 100644
--- a/scss/_custom-forms.scss
+++ b/scss/_custom-forms.scss
@@ -315,6 +315,7 @@
   width: 100%;
   height: $custom-file-height;
   margin: 0;
+  overflow: hidden;
   opacity: 0;
 
   &:focus ~ .custom-file-label {