diff --git a/wp-admin/includes/list-table-plugins.php b/wp-admin/includes/list-table-plugins.php
index e83f907e3d..8086dae665 100644
--- a/wp-admin/includes/list-table-plugins.php
+++ b/wp-admin/includes/list-table-plugins.php
@@ -253,21 +253,20 @@ class WP_Plugins_Table extends WP_List_Table {
 		global $status;
 
 		$actions = array();
-		if ( 'active' != $status )
-			$actions['activate-selected'] = __( 'Activate' );
-		if ( is_multisite() && 'network' != $status )
-			$actions['network-activate-selected'] = __( 'Network Activate' );
+
+		if ( 'active' != $status ) {
+			$action = is_network_admin() ? 'network-activate-selected' : 'activate-selected'; 
+			$actions[ $action ] = __( 'Activate' );
+		}
+
 		if ( 'inactive' != $status && 'recent' != $status )
 			$actions['deactivate-selected'] = __( 'Deactivate' );
-		if ( current_user_can( 'update_plugins' ) )
-			$actions['update-selected'] = __( 'Update' );
-		if ( current_user_can( 'delete_plugins' ) && ( 'active' != $status ) )
-			$actions['delete-selected'] = __( 'Delete' );
-			
-		if ( is_multisite() && !is_network_admin() ) {
-			unset( $actions['network-activate-selected'] );
-			unset( $actions['update-selected'] );
-			unset( $actions['delete-selected'] );
+
+		if ( !is_multisite() || is_network_admin() ) {
+			if ( current_user_can( 'update_plugins' ) )
+				$actions['update-selected'] = __( 'Update' );
+			if ( current_user_can( 'delete_plugins' ) && ( 'active' != $status ) )
+				$actions['delete-selected'] = __( 'Delete' );
 		}
 
 		return $actions;
@@ -424,4 +423,4 @@ class WP_Plugins_Table extends WP_List_Table {
 	}
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/wp-admin/plugins.php b/wp-admin/plugins.php
index 313602a29a..9ab244cb79 100644
--- a/wp-admin/plugins.php
+++ b/wp-admin/plugins.php
@@ -63,7 +63,13 @@ if ( $action ) {
 			check_admin_referer('bulk-plugins');
 
 			$plugins = isset( $_POST['checked'] ) ? (array) $_POST['checked'] : array();
-			$plugins = array_filter($plugins, create_function('$plugin', 'return !is_plugin_active($plugin);') ); // Only activate plugins which are not already active.
+
+			// Only activate plugins which are not already active.
+			$check = $network_wide ? 'is_plugin_active_for_network' : 'is_plugin_active';
+			foreach ( $plugins as $i => $plugin )
+				if ( $check( $plugin ) )
+					unset( $plugins[ $i ] );
+
 			if ( empty($plugins) ) {
 				wp_redirect( self_admin_url("plugins.php?plugin_status=$status&paged=$page&s=$s") );
 				exit;