diff --git a/mod/book/tool/print/templates/print_book.mustache b/mod/book/tool/print/templates/print_book.mustache
index 5e50aba2892..3c29735859e 100644
--- a/mod/book/tool/print/templates/print_book.mustache
+++ b/mod/book/tool/print/templates/print_book.mustache
@@ -66,7 +66,7 @@
     <div class="text-center pb-3 book_title">{{{ booktitle }}}</div>
     <div class="book_info w-100 pt-6 d-inline-block">
         <div class="w-50 float-start">
-            <table>
+            <table class="table-reboot">
                 <tr>
                     <td>
                         {{# str }} site {{/ str }}:
@@ -94,7 +94,7 @@
             </table>
         </div>
         <div class="w-50 float-start">
-            <table class="float-end">
+            <table class="float-end table-reboot">
                 <tr>
                     <td>
                         {{# str }} printedby, booktool_print {{/ str }}: