diff --git a/src/public/app/widgets/dialogs/recent_changes.js b/src/public/app/widgets/dialogs/recent_changes.js
index 277bf9349..f9057717b 100644
--- a/src/public/app/widgets/dialogs/recent_changes.js
+++ b/src/public/app/widgets/dialogs/recent_changes.js
@@ -16,7 +16,7 @@ const TPL = `
             <div class="modal-header">
                 <h5 class="modal-title mr-auto">Recent changes</h5>
                 
-                <button class="erase-deleted-notes-now-button btn btn-xs" style="padding: 0 10px">
+                <button class="erase-deleted-notes-now-button btn btn-sm" style="padding: 0 10px">
                     Erase deleted notes now</button>
                 
                 <button type="button" class="close" data-dismiss="modal" aria-label="Close" style="margin-left: 0 !important;">
diff --git a/src/public/app/widgets/dialogs/revisions.js b/src/public/app/widgets/dialogs/revisions.js
index 573a6d0ac..f8e7aae72 100644
--- a/src/public/app/widgets/dialogs/revisions.js
+++ b/src/public/app/widgets/dialogs/revisions.js
@@ -41,7 +41,7 @@ const TPL = `
             <div class="modal-header">
                 <h5 class="modal-title mr-auto">Note revisions</h5>
 
-                <button class="revisions-erase-all-revisions-button btn btn-xs"
+                <button class="revisions-erase-all-revisions-button btn btn-sm"
                         title="Delete all revisions of this note"
                         style="padding: 0 10px 0 10px;" type="button">Delete all revisions</button>
 
diff --git a/src/public/app/widgets/type_widgets/attachment_list.js b/src/public/app/widgets/type_widgets/attachment_list.js
index 6ba5df21b..3220518f2 100644
--- a/src/public/app/widgets/type_widgets/attachment_list.js
+++ b/src/public/app/widgets/type_widgets/attachment_list.js
@@ -41,7 +41,7 @@ export default class AttachmentListTypeWidget extends TypeWidget {
                 "Owning note: ",
                 await linkService.createLink(this.noteId),
             ),
-            $('<button class="btn btn-xs">')
+            $('<button class="btn btn-sm">')
                 .text("Upload attachments")
                 .on('click', () => this.triggerCommand("showUploadAttachmentsDialog", {noteId: this.noteId}))
         );