diff --git a/modules/luci-base/luasrc/view/cbi/map.htm b/modules/luci-base/luasrc/view/cbi/map.htm
index 48403f1c33..e3210add63 100644
--- a/modules/luci-base/luasrc/view/cbi/map.htm
+++ b/modules/luci-base/luasrc/view/cbi/map.htm
@@ -14,20 +14,34 @@
 			<%- self.selected_tab = luci.http.formvalue("tab.m-" .. self.config) %>
 			<% for i, section in ipairs(self.children) do %>
 				<%- if not self.selected_tab then self.selected_tab = section.sectiontype end %>
-				<li id="tab.m-<%=self.config%>.<%=section.sectiontype%>" class="cbi-tab<%=(section.sectiontype == self.selected_tab) and '' or '-disabled'%>">
-					<a onclick="this.blur(); return cbi_t_switch('m-<%=self.config%>', '<%=section.sectiontype%>')" href="<%=REQUEST_URI%>?tab.m-<%=self.config%>=<%=section.sectiontype%>"><%=section.title or section.sectiontype %></a>
-					<% if section.sectiontype == self.selected_tab then %><input type="hidden" id="tab.m-<%=self.config%>" name="tab.m-<%=self.config%>" value="<%=section.sectiontype%>" /><% end %>
+				<li id="tab.m-<%=self.config%>.<%=section.section or section.sectiontype%>" class="cbi-tab<%=(section.sectiontype == self.selected_tab) and '' or '-disabled'%>">
+					<a onclick="this.blur(); return cbi_t_switch('m-<%=self.config%>', '<%=section.section or section.sectiontype%>')" href="<%=REQUEST_URI%>?tab.m-<%=self.config%>=<%=section.section or section.sectiontype%>"><%=section.title or section.section or section.sectiontype %></a>
+					<% if section.sectiontype == self.selected_tab then %><input type="hidden" id="tab.m-<%=self.config%>" name="tab.m-<%=self.config%>" value="<%=section.section or section.sectiontype%>" /><% end %>
 				</li>
 			<% end %>
 		</ul>
+		<br />
 		<% for i, section in ipairs(self.children) do %>
-			<div class="cbi-tabcontainer" id="container.m-<%=self.config%>.<%=section.sectiontype%>"<% if section.sectiontype ~= self.selected_tab then %> style="display:none"<% end %>>
+			<div class="cbi-tabcontainer" id="container.m-<%=self.config%>.<%=section.section or section.sectiontype%>"<% if section.sectiontype ~= self.selected_tab then %> style="display:none"<% end %>>
 				<% section:render() %>
 			</div>
-			<script type="text/javascript">cbi_t_add('m-<%=self.config%>', '<%=section.sectiontype%>')</script>
+			<script type="text/javascript">cbi_t_add('m-<%=self.config%>', '<%=section.section or section.sectiontype%>')</script>
 		<% end %>
+
+		<% if not self.save then -%>
+			<div class="cbi-section-error">
+				<% for _, section in ipairs(self.children) do %>
+					<% if section.error and section.error[section.section] then -%>
+						<ul><li>
+							<%:One or more invalid/required values on tab%>:&nbsp;<%=section.title or section.section or section.sectiontype%>
+						</li></ul>
+					<%- end %>
+				<% end %>
+			</div>
+		<%- end %>
 	<% else %>
 		<%- self:render_children() %>
 	<% end %>
+
 	<br />
 </div>
diff --git a/modules/luci-base/po/de/base.po b/modules/luci-base/po/de/base.po
index 0d11e96af0..f36d490267 100644
--- a/modules/luci-base/po/de/base.po
+++ b/modules/luci-base/po/de/base.po
@@ -1929,6 +1929,9 @@ msgstr "Es muss entweder ein Hostname oder eine MAC-Adresse angegeben werden!"
 msgid "One or more fields contain invalid values!"
 msgstr "Ein oder mehrere Felder enthalten ungültige Werte!"
 
+msgid "One or more invalid/required values on tab"
+msgstr "Ein oder mehrere ungültige/benötigte Werte auf Registerkarte"
+
 msgid "One or more required fields have no value!"
 msgstr "Ein oder mehr benötigte Felder sind nicht ausgefüllt!"
 
diff --git a/modules/luci-base/po/templates/base.pot b/modules/luci-base/po/templates/base.pot
index 5d4d1ce9de..e466a90539 100644
--- a/modules/luci-base/po/templates/base.pot
+++ b/modules/luci-base/po/templates/base.pot
@@ -1831,6 +1831,9 @@ msgstr ""
 msgid "One or more fields contain invalid values!"
 msgstr ""
 
+msgid "One or more invalid/required values on tab"
+msgstr ""
+
 msgid "One or more required fields have no value!"
 msgstr ""