diff --git a/phpBB/includes/acp/acp_logs.php b/phpBB/includes/acp/acp_logs.php
index d1e8b6d9c4..861df90777 100644
--- a/phpBB/includes/acp/acp_logs.php
+++ b/phpBB/includes/acp/acp_logs.php
@@ -106,6 +106,7 @@ class acp_logs
 		$sql_sort = $sort_by_sql[$sort_key] . ' ' . (($sort_dir == 'd') ? 'DESC' : 'ASC');
 
 		$log_operation = request_var('log_operation', '');
+		$log_operation_param = !empty($log_operation) ? '&log_operation=' . urlencode(htmlspecialchars_decode($log_operation)) : '';
 		$s_lang_keys = '<option value="">' . $user->lang['SHOW_ALL_OPERATIONS'] . '</option>';
 
 		switch ($mode)
@@ -213,7 +214,7 @@ class acp_logs
 			'U_ACTION'		=> $this->u_action,
 
 			'S_ON_PAGE'		=> on_page($log_count, $config['topics_per_page'], $start),
-			'PAGINATION'	=> generate_pagination($this->u_action . "&amp;$u_sort_param", $log_count, $config['topics_per_page'], $start, true),
+			'PAGINATION'	=> generate_pagination($this->u_action . "&amp;$u_sort_param$log_operation_param", $log_count, $config['topics_per_page'], $start, true),
 
 			'S_LIMIT_DAYS'	=> $s_limit_days,
 			'S_SORT_KEY'	=> $s_sort_key,
diff --git a/phpBB/includes/mcp/mcp_logs.php b/phpBB/includes/mcp/mcp_logs.php
index db22259ec4..a73227f158 100644
--- a/phpBB/includes/mcp/mcp_logs.php
+++ b/phpBB/includes/mcp/mcp_logs.php
@@ -165,6 +165,7 @@ class mcp_logs
 		$sql_sort = $sort_by_sql[$sort_key] . ' ' . (($sort_dir == 'd') ? 'DESC' : 'ASC');
 
 		$log_operation = request_var('log_operation', '');
+		$log_operation_param = !empty($log_operation) ? '&amp;log_operation=' . urlencode(htmlspecialchars_decode($log_operation)) : '';
 		$s_lang_keys = '<option value="">' . $user->lang['SHOW_ALL_OPERATIONS'] . '</option>';
 
 		if ($topic_id)
@@ -223,7 +224,7 @@ class mcp_logs
 		$template->assign_vars(array(
 			'PAGE_NUMBER'		=> on_page($log_count, $config['topics_per_page'], $start),
 			'TOTAL'				=> ($log_count == 1) ? $user->lang['TOTAL_LOG'] : sprintf($user->lang['TOTAL_LOGS'], $log_count),
-			'PAGINATION'		=> generate_pagination($this->u_action . "&amp;$u_sort_param", $log_count, $config['topics_per_page'], $start),
+			'PAGINATION'		=> generate_pagination($this->u_action . "&amp;$u_sort_param$log_operation_param", $log_count, $config['topics_per_page'], $start),
 
 			'L_TITLE'			=> $user->lang['MCP_LOGS'],
 
diff --git a/phpBB/includes/mcp/mcp_notes.php b/phpBB/includes/mcp/mcp_notes.php
index d07874524a..bc4c1df42f 100644
--- a/phpBB/includes/mcp/mcp_notes.php
+++ b/phpBB/includes/mcp/mcp_notes.php
@@ -194,6 +194,7 @@ class mcp_notes
 		$sql_sort = $sort_by_sql[$sk] . ' ' . (($sd == 'd') ? 'DESC' : 'ASC');
 
 		$log_operation = request_var('log_operation', '');
+		$log_operation_param = !empty($log_operation) ? '&amp;log_operation=' . urlencode(htmlspecialchars_decode($log_operation)) : '';
 		$s_lang_keys = '<option value="">' . $user->lang['SHOW_ALL_OPERATIONS'] . '</option>';
 
 		$sql = "SELECT DISTINCT log_operation
@@ -243,7 +244,7 @@ class mcp_notes
 			'L_TITLE'			=> $user->lang['MCP_NOTES_USER'],
 
 			'PAGE_NUMBER'		=> on_page($log_count, $config['posts_per_page'], $start),
-			'PAGINATION'		=> generate_pagination($this->u_action . "&amp;st=$st&amp;sk=$sk&amp;sd=$sd", $log_count, $config['posts_per_page'], $start),
+			'PAGINATION'		=> generate_pagination($this->u_action . "&amp;st=$st&amp;sk=$sk&amp;sd=$sd$log_operation_param", $log_count, $config['posts_per_page'], $start),
 			'TOTAL_REPORTS'		=> ($log_count == 1) ? $user->lang['LIST_REPORT'] : sprintf($user->lang['LIST_REPORTS'], $log_count),
 
 			'RANK_TITLE'		=> $rank_title,