diff --git a/features/netsocket/TCPSocket.cpp b/features/netsocket/TCPSocket.cpp
index dc304070ee6..cb43a1359d0 100644
--- a/features/netsocket/TCPSocket.cpp
+++ b/features/netsocket/TCPSocket.cpp
@@ -24,6 +24,7 @@ TCPSocket::TCPSocket()
 
 TCPSocket::~TCPSocket()
 {
+    _factory_allocated = false;
     close();
 }
 
diff --git a/features/netsocket/UDPSocket.cpp b/features/netsocket/UDPSocket.cpp
index c4f4ed45be5..38b37dc4b50 100644
--- a/features/netsocket/UDPSocket.cpp
+++ b/features/netsocket/UDPSocket.cpp
@@ -24,6 +24,7 @@ UDPSocket::UDPSocket()
 
 UDPSocket::~UDPSocket()
 {
+    _factory_allocated = false;
     close();
 }