diff --git a/src/server/ban.cpp b/src/server/ban.cpp
index ffbca4bf8ce..b01219fff82 100644
--- a/src/server/ban.cpp
+++ b/src/server/ban.cpp
@@ -609,8 +609,9 @@ static lg::log_domain log_server("server");
 
 
 
-	void ban_manager::list_bans(std::ostringstream& out, const std::string& mask) const
+	void ban_manager::list_bans(std::ostringstream& out, const std::string& mask)
 	{
+		expire_bans();
 		if (bans_.empty())
 		{
 			out << "No bans set.";
@@ -652,8 +653,9 @@ static lg::log_domain log_server("server");
 	}
 
 
-	std::string ban_manager::is_ip_banned(const std::string& ip) const
+	std::string ban_manager::is_ip_banned(const std::string& ip)
 	{
+		expire_bans();
 		ip_mask pair;
 		try {
 			pair = parse_ip(ip);
diff --git a/src/server/ban.hpp b/src/server/ban.hpp
index b37ed2b4e03..28eeaa10e59 100644
--- a/src/server/ban.hpp
+++ b/src/server/ban.hpp
@@ -135,6 +135,10 @@ namespace wesnothd {
 		{ return c - '0'; }
 
 		void init_ban_help();
+		void check_ban_times(time_t time_now);
+		inline void expire_bans() {
+			check_ban_times(time(nullptr));
+		}
 	public:
 		ban_manager();
 		~ban_manager();
@@ -155,12 +159,10 @@ namespace wesnothd {
 		void unban_group(std::ostringstream& os, const std::string& group);
 
 
-		void check_ban_times(time_t time_now);
-
 		void list_deleted_bans(std::ostringstream& out, const std::string& mask = "*") const;
-		void list_bans(std::ostringstream& out, const std::string& mask = "*") const;
+		void list_bans(std::ostringstream& out, const std::string& mask = "*");
 
-		std::string is_ip_banned(const std::string& ip) const;
+		std::string is_ip_banned(const std::string& ip);
 
 		const std::string& get_ban_help() const
 		{ return ban_help_; }
diff --git a/src/server/server.cpp b/src/server/server.cpp
index cd4ec029aaf..a819b15ce06 100644
--- a/src/server/server.cpp
+++ b/src/server/server.cpp
@@ -485,7 +485,7 @@ void server::load_config() {
 	}
 }
 
-std::string server::is_ip_banned(const std::string& ip) const {
+std::string server::is_ip_banned(const std::string& ip) {
 	if (!tor_ip_list_.empty()) {
 		if (find(tor_ip_list_.begin(), tor_ip_list_.end(), ip) != tor_ip_list_.end()) return "TOR IP";
 	}
diff --git a/src/server/server.hpp b/src/server/server.hpp
index 692d32e83d2..b624de830be 100644
--- a/src/server/server.hpp
+++ b/src/server/server.hpp
@@ -156,7 +156,7 @@ private:
 	void load_config();
 
 	bool ip_exceeds_connection_limit(const std::string& ip) const;
-	std::string is_ip_banned(const std::string& ip) const;
+	std::string is_ip_banned(const std::string& ip);
 
 	simple_wml::document version_query_response_;
 	simple_wml::document login_response_;
diff --git a/src/server/server_base.hpp b/src/server/server_base.hpp
index 451dd1fc9cd..d8a912bd59e 100644
--- a/src/server/server_base.hpp
+++ b/src/server/server_base.hpp
@@ -58,7 +58,7 @@ protected:
 	virtual void handle_new_client(socket_ptr socket) = 0;
 
 	virtual bool accepting_connections() const { return true; }
-	virtual std::string is_ip_banned(const std::string&) const { return std::string(); }
+	virtual std::string is_ip_banned(const std::string&) { return std::string(); }
 
 #ifndef _WIN32
 	boost::asio::posix::stream_descriptor input_;