diff --git a/src/modules/m_cgiirc.cpp b/src/modules/m_cgiirc.cpp
index f342009411..467480854a 100644
--- a/src/modules/m_cgiirc.cpp
+++ b/src/modules/m_cgiirc.cpp
@@ -147,6 +147,7 @@ class ModuleCgiIRC : public Module
 	virtual void OnRehash(userrec* user, const std::string &parameter)
 	{
 		ConfigReader Conf(ServerInstance);
+		Hosts.clear();
 		
 		NotifyOpers = Conf.ReadFlag("cgiirc", "opernotice", 0);	// If we send an oper notice when a CGI:IRC has their host changed.