diff --git a/adminer/plugin.php b/adminer/plugin.php
index 31071fce..3470d772 100644
--- a/adminer/plugin.php
+++ b/adminer/plugin.php
@@ -9,7 +9,7 @@ function adminer_object() {
 	}
 	
 	// enable extra drivers just by including them
-	//~ include "../plugins/drivers/simpledb.inc.php";
+	//~ include "../plugins/drivers/simpledb.php";
 	
 	$plugins = array(
 		// specify enabled plugins here
diff --git a/plugins/drivers/README b/plugins/drivers/README
index ee3ac886..6ada86b7 100644
--- a/plugins/drivers/README
+++ b/plugins/drivers/README
@@ -2,7 +2,7 @@ Enable drivers in this directory like this:
 
 <?php
 function adminer_object() {
-	include "./plugins/drivers/simpledb.inc.php"; // the driver is enabled just by including
+	include "./plugins/drivers/simpledb.php"; // the driver is enabled just by including
 	return new Adminer; // or return AdminerPlugin if you want to use other plugins
 }
 
diff --git a/plugins/drivers/clickhouse.inc.php b/plugins/drivers/clickhouse.php
similarity index 100%
rename from plugins/drivers/clickhouse.inc.php
rename to plugins/drivers/clickhouse.php
diff --git a/plugins/drivers/firebird.inc.php b/plugins/drivers/firebird.php
similarity index 100%
rename from plugins/drivers/firebird.inc.php
rename to plugins/drivers/firebird.php
diff --git a/plugins/drivers/simpledb.inc.php b/plugins/drivers/simpledb.php
similarity index 100%
rename from plugins/drivers/simpledb.inc.php
rename to plugins/drivers/simpledb.php