3 files changed, 18 insertions, 6 deletions
diff --git a/src/socketengines/socketengine_epoll.cpp b/src/socketengines/socketengine_epoll.cpp
index 316696f54..ad9bef3ce 100644
--- a/src/socketengines/socketengine_epoll.cpp
+++ b/src/socketengines/socketengine_epoll.cpp
@@ -32,8 +32,12 @@ void SocketEngine::Shutdown()
 {
 	Process();
 
-	for (std::map<int, Socket *>::const_iterator it = Sockets.begin(), it_end = Sockets.end(); it != it_end; ++it)
-		delete it->second;
+	for (std::map<int, Socket *>::const_iterator it = Sockets.begin(), it_end = Sockets.end(); it != it_end;)
+	{
+		Socket *s = it->second;
+		++it;
+		delete s;
+	}
 	Sockets.clear();
 
 	delete [] events;
diff --git a/src/socketengines/socketengine_poll.cpp b/src/socketengines/socketengine_poll.cpp
index 3202bbe29..773a89839 100644
--- a/src/socketengines/socketengine_poll.cpp
+++ b/src/socketengines/socketengine_poll.cpp
@@ -39,8 +39,12 @@ void SocketEngine::Shutdown()
 {
 	Process();
 
-	for (std::map<int, Socket *>::const_iterator it = Sockets.begin(), it_end = Sockets.end(); it != it_end; ++it)
-		delete it->second;
+	for (std::map<int, Socket *>::const_iterator it = Sockets.begin(), it_end = Sockets.end(); it != it_end;)
+	{
+		Socket *s = it->second;
+		++it;
+		delete s;
+	}
 	Sockets.clear();
 
 	delete [] events;
diff --git a/src/socketengines/socketengine_select.cpp b/src/socketengines/socketengine_select.cpp
index e23046b79..99a0fefe1 100644
--- a/src/socketengines/socketengine_select.cpp
+++ b/src/socketengines/socketengine_select.cpp
@@ -15,8 +15,12 @@ void SocketEngine::Shutdown()
 {
 	Process();
 
-	for (std::map<int, Socket *>::const_iterator it = Sockets.begin(), it_end = Sockets.end(); it != it_end; ++it)
-		delete it->second;
+	for (std::map<int, Socket *>::const_iterator it = Sockets.begin(), it_end = Sockets.end(); it != it_end;)
+	{
+		Socket *s = it->second;
+		++it;
+		delete s;
+	}
 	Sockets.clear();
 
 	MaxFD = 0;