diff --git a/web/locales/cs/main.ftl b/web/locales/cs/main.ftl
index 7ddb76af..8e12e901 100644
--- a/web/locales/cs/main.ftl
+++ b/web/locales/cs/main.ftl
@@ -661,6 +661,7 @@ builder-choose-profile = Vyberte profil
 builder-new-profile = Nový profil…
 builder-new-profile-name = Název nového profilu
 builder-accounting-currency = Účetní měna
+builder-accounting-currency-hint = Účetnictví se zatím vede v EUR — ostatní měny jsou v seznamu, ale server je zatím odmítá.
 builder-table-name = Název tabulky
 builder-add-column-heading = Přidat sloupec
 builder-add-column-button = Přidat sloupec
diff --git a/web/locales/en/main.ftl b/web/locales/en/main.ftl
index 053c9361..ee5544f8 100644
--- a/web/locales/en/main.ftl
+++ b/web/locales/en/main.ftl
@@ -648,6 +648,7 @@ builder-choose-profile = Choose a profile
 builder-new-profile = New profile…
 builder-new-profile-name = New profile name
 builder-accounting-currency = Accounting currency
+builder-accounting-currency-hint = Books are kept in EUR for now — other currencies are listed but the server still refuses them.
 builder-table-name = Table name
 builder-add-column-heading = Add a column
 builder-add-column-button = Add column
diff --git a/web/locales/sk/main.ftl b/web/locales/sk/main.ftl
index 6a4b4774..8a0e224f 100644
--- a/web/locales/sk/main.ftl
+++ b/web/locales/sk/main.ftl
@@ -661,6 +661,7 @@ builder-choose-profile = Vyberte profil
 builder-new-profile = Nový profil…
 builder-new-profile-name = Názov nového profilu
 builder-accounting-currency = Účtovná mena
+builder-accounting-currency-hint = Účtovníctvo sa zatiaľ vedie v EUR — ostatné meny sú v zozname, ale server ich ešte odmieta.
 builder-table-name = Názov tabuľky
 builder-add-column-heading = Pridať stĺpec
 builder-add-column-button = Pridať stĺpec
diff --git a/web/src/pages/admin/table_definition/logic.rs b/web/src/pages/admin/table_definition/logic.rs
index 87685c31..519738d6 100644
--- a/web/src/pages/admin/table_definition/logic.rs
+++ b/web/src/pages/admin/table_definition/logic.rs
@@ -529,7 +529,18 @@ pub(crate) async fn copy_profile(
     let request = CopyProfileRequest {
         source_profile_name: form.profile.clone(),
         target_profile_name: form.target_profile_name.trim().to_string(),
-        table_names: form.table_names.clone(),
+        // No table selected means the whole profile, which is what the hint
+        // promises and what the server does with an empty list. A browser
+        // sends no `table_names` key at all when nothing is ticked; anything
+        // posting the field empty would otherwise send one blank name, and
+        // the server rejects a blank name rather than reading it as "all".
+        table_names: form
+            .table_names
+            .iter()
+            .map(|name| name.trim())
+            .filter(|name| !name.is_empty())
+            .map(str::to_string)
+            .collect(),
     };
     let Ok(request) = authenticated_request(&headers, request) else {
         return Redirect::to("/login").into_response();
diff --git a/web/templates/pages/add_table/builder.html b/web/templates/pages/add_table/builder.html
index 0eb03894..a5924b3e 100644
--- a/web/templates/pages/add_table/builder.html
+++ b/web/templates/pages/add_table/builder.html
@@ -81,6 +81,12 @@
       <label>{{ nav.tr("builder-accounting-currency") }}
         <input name="accounting_currency" value="{{ page.draft.accounting_currency }}" list="currency-codes"
                maxlength="3" placeholder="EUR">
+        {#
+          The list stays complete: EUR-only books are the server's current
+          limitation, not the shape of the field. When it accepts more, this
+          hint goes and nothing else here has to change.
+        #}
+        <small>{{ nav.tr("builder-accounting-currency-hint") }}</small>
       </label>
     {% else %}
       <input type="hidden" name="accounting_currency" value="{{ page.draft.accounting_currency }}">