diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/tools/marc_modification_templates.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/tools/marc_modification_templates.tt
index 039575e92f..f6c81d5dc7 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/tools/marc_modification_templates.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/tools/marc_modification_templates.tt
@@ -274,7 +274,7 @@
                         </span>
 
                         field(s) <input type="text" name="from_field" id="from_field" size="3" maxlength="3" /> <span id="character_position">starting from character position </span
-                        ><input type="text" name="from_subfield" id="from_subfield" size="1" maxlength="1" title="let blank for the entire field" />
+                        ><input type="text" name="from_subfield" id="from_subfield" size="2" maxlength="2" title="let blank for the entire field" />
 
                         <span name="with_value_block" id="with_value_block" style="display:none;"> with value <input type="text" name="field_value" id="field_value" /> </span>