diff --git a/DStarGateway/DStarGatewayApp.cpp b/DStarGateway/DStarGatewayApp.cpp
index 7ee437e..2df277b 100644
--- a/DStarGateway/DStarGatewayApp.cpp
+++ b/DStarGateway/DStarGatewayApp.cpp
@@ -68,8 +68,9 @@ int main(int argc, char *argv[])
 	signal(SIGILL, CDStarGatewayApp::sigHandlerFatal);
 	signal(SIGFPE, CDStarGatewayApp::sigHandlerFatal);
 	signal(SIGABRT, CDStarGatewayApp::sigHandlerFatal);
-	signal(SIGTERM, CDStarGatewayApp::sigHandler);
-	signal(SIGINT, CDStarGatewayApp::sigHandler);
+	signal(SIGTERM, CDStarGatewayApp::sigHandlerExit);
+	signal(SIGINT, CDStarGatewayApp::sigHandlerExit);
+	signal(SIGUSR1, CDStarGatewayApp::sigHandlerUSR);
 
 	setbuf(stdout, NULL);
 	if (2 != argc) {
@@ -370,7 +371,7 @@ bool CDStarGatewayApp::createThread()
 	return true;
 }
 
-void CDStarGatewayApp::sigHandler(int sig)
+void CDStarGatewayApp::sigHandlerExit(int sig)
 {
 	CLog::logInfo("Caught signal : %s, shutting down gateway", strsignal(sig));
 
@@ -392,6 +393,15 @@ void CDStarGatewayApp::sigHandlerFatal(int sig)
 	exit(3);
 }
 
+void CDStarGatewayApp::sigHandlerUSR(int sig)
+{
+	if(sig == SIGUSR1) {
+		CLog::logInfo("Caught signal : %s, updating host files", strsignal(sig));
+
+		CHostsFilesManager::UpdateHostsAsync(); // call and forget
+	}
+}
+
 void CDStarGatewayApp::terminateHandler()
 {
 #ifdef DEBUG_DSTARGW
diff --git a/DStarGateway/DStarGatewayApp.h b/DStarGateway/DStarGatewayApp.h
index 6e5aa21..020a519 100644
--- a/DStarGateway/DStarGatewayApp.h
+++ b/DStarGateway/DStarGatewayApp.h
@@ -38,6 +38,7 @@ public:
 	void run();
 
 	static void sigHandlerFatal(int sig);
-	static void sigHandler(int sig);
+	static void sigHandlerExit(int sig);
+	static void sigHandlerUSR(int sig);
 	static void terminateHandler();
 };