diff --git a/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglAuth.cpp b/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglAuth.cpp
index bbab8994cb..61fde8e31f 100644
--- a/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglAuth.cpp
+++ b/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglAuth.cpp
@@ -1327,6 +1327,7 @@ static CliAuConn * GetConnIncRef (const char tag[]) {
 
 //============================================================================
 static void AbandonConn(CliAuConn* conn) {
+    hsLockGuard(s_critsect);
     conn->abandoned = true;
 
     conn->StopAutoReconnect();
diff --git a/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglFile.cpp b/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglFile.cpp
index dff93c44a2..ad12f99dac 100644
--- a/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglFile.cpp
+++ b/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglFile.cpp
@@ -275,6 +275,7 @@ static CliFileConn * GetConnIncRef (const char tag[]) {
 
 //============================================================================
 static void AbandonConn(CliFileConn* conn) {
+    hsLockGuard(s_critsect);
     conn->abandoned = true;
 
     if (conn->AutoReconnectEnabled())
diff --git a/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglGame.cpp b/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglGame.cpp
index e3a6e8c69f..cd5a2972fc 100644
--- a/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglGame.cpp
+++ b/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglGame.cpp
@@ -193,6 +193,7 @@ static CliGmConn * GetConnIncRef (const char tag[]) {
 
 //============================================================================
 static void AbandonConn(CliGmConn* conn) {
+    hsLockGuard(s_critsect);
     conn->abandoned = true;
     if (conn->cancelId) {
         AsyncSocketConnectCancel(conn->cancelId);
diff --git a/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglGateKeeper.cpp b/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglGateKeeper.cpp
index 642ad50954..79233a57e5 100644
--- a/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglGateKeeper.cpp
+++ b/Sources/Plasma/PubUtilLib/plNetGameLib/Private/plNglGateKeeper.cpp
@@ -220,6 +220,7 @@ static CliGkConn * GetConnIncRef (const char tag[]) {
 
 //============================================================================
 static void AbandonConn(CliGkConn* conn) {
+    hsLockGuard(s_critsect);
     conn->abandoned = true;
 
     conn->StopAutoReconnect();