diff --git a/src/AngelscriptDebugger.cpp b/src/AngelscriptDebugger.cpp
index 0d3ac74..026f35a 100644
--- a/src/AngelscriptDebugger.cpp
+++ b/src/AngelscriptDebugger.cpp
@@ -5,7 +5,6 @@
 #include "DebugAdapterProtocol/Requests.hpp"
 
 void AngelscriptDebugger::Run(uint16_t port) {
-    // Listen on port 9012
     _server = new asio::ip::tcp::acceptor(_ioContext, asio::ip::tcp::endpoint(asio::ip::tcp::v4(), port));
     std::thread([this]() { AcceptLoop(); }).detach();
 }
@@ -32,6 +31,9 @@ void AngelscriptDebugger::on_line_callback(asIScriptContext* ctx, AngelscriptDeb
     if (ctx->GetState() == asEXECUTION_SUSPENDED) {
         return;
     }
+    if (!d->HasDebuggerAttached()) {
+        return;
+    }
     const char* scriptSection = nullptr;
     int column = 0;
     int line = ctx->GetLineNumber(0, &column, &scriptSection);
@@ -56,6 +58,9 @@ size_t GetBreakpointHash(const std::string& section, size_t line) {
 }
 
 void AngelscriptDebugger::on_exception_callback(asIScriptContext* ctx, AngelscriptDebugger* d) {
+    if (!d->HasDebuggerAttached()) {
+        return;
+    }
     ctx->Suspend();
     d->_pausedContexts.push_back(ctx);