diff --git a/phpBB/adm/style/acp_ext_delete_data.html b/phpBB/adm/style/acp_ext_delete_data.html
index 5b38d9b8d0..0f3adb7cfe 100644
--- a/phpBB/adm/style/acp_ext_delete_data.html
+++ b/phpBB/adm/style/acp_ext_delete_data.html
@@ -1,6 +1,6 @@
 <!-- INCLUDE overall_header.html -->
 
-	<a name="maincontent"></a>
+	<a id="maincontent"></a>
 
 	<h1>{L_EXTENSIONS_ADMIN}</h1>
 
diff --git a/phpBB/adm/style/acp_ext_details.html b/phpBB/adm/style/acp_ext_details.html
index c43a229515..b6552bbbd4 100644
--- a/phpBB/adm/style/acp_ext_details.html
+++ b/phpBB/adm/style/acp_ext_details.html
@@ -1,6 +1,6 @@
 <!-- INCLUDE overall_header.html -->
 
-<a name="maincontent"></a>
+<a id="maincontent"></a>
 
 	<a href="{U_BACK}" style="float: {S_CONTENT_FLOW_END};">&laquo; {L_BACK}</a>
 
diff --git a/phpBB/adm/style/acp_ext_disable.html b/phpBB/adm/style/acp_ext_disable.html
index 4fa0893be7..d650544ff7 100644
--- a/phpBB/adm/style/acp_ext_disable.html
+++ b/phpBB/adm/style/acp_ext_disable.html
@@ -1,6 +1,6 @@
 <!-- INCLUDE overall_header.html -->
 
-	<a name="maincontent"></a>
+	<a id="maincontent"></a>
 
 	<h1>{L_EXTENSIONS_ADMIN}</h1>
 
diff --git a/phpBB/adm/style/acp_ext_enable.html b/phpBB/adm/style/acp_ext_enable.html
index 670904a2ce..42523f1f58 100644
--- a/phpBB/adm/style/acp_ext_enable.html
+++ b/phpBB/adm/style/acp_ext_enable.html
@@ -1,6 +1,6 @@
 <!-- INCLUDE overall_header.html -->
 
-	<a name="maincontent"></a>
+	<a id="maincontent"></a>
 
 	<h1>{L_EXTENSIONS_ADMIN}</h1>
 
diff --git a/phpBB/adm/style/acp_ext_list.html b/phpBB/adm/style/acp_ext_list.html
index 09cf6a31f5..2fcc6eab31 100644
--- a/phpBB/adm/style/acp_ext_list.html
+++ b/phpBB/adm/style/acp_ext_list.html
@@ -1,6 +1,6 @@
 <!-- INCLUDE overall_header.html -->
 
-<a name="maincontent"></a>
+<a id="maincontent"></a>
 
 	<h1>{L_EXTENSIONS_ADMIN}</h1>