diff --git a/stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.cpp b/stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.cpp
index ddb0d8fbc..757a237a8 100644
--- a/stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.cpp
+++ b/stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.cpp
@@ -1538,13 +1538,18 @@ namespace ams::dmnt {
     }
 
     void GdbServerImpl::Q() {
-        if (false) {
-            /* TODO: QStartNoAckMode? */
+        if (ParsePrefix(m_receive_packet, "QStartNoAckMode")) {
+            this->QStartNoAckMode();
         } else {
             AMS_DMNT2_GDB_LOG_DEBUG("Not Implemented Q: %s\n", m_receive_packet);
         }
     }
 
+    void GdbServerImpl::QStartNoAckMode() {
+        m_packet_io.SetNoAck();
+        AppendReplyOk(m_reply_cur, m_reply_end);
+    }
+
     void GdbServerImpl::T() {
         if (const char *dot = std::strchr(m_receive_packet, '.'); dot != nullptr) {
             const u64 thread_id = DecodeHex(dot + 1);
@@ -1919,6 +1924,7 @@ namespace ams::dmnt {
         R_SUCCEED();
     }
 
+
     void GdbServerImpl::q() {
         if (ParsePrefix(m_receive_packet, "qAttached:")) {
             this->qAttached();
@@ -2145,6 +2151,7 @@ namespace ams::dmnt {
         AppendReplyFormat(m_reply_cur, m_reply_end, ";swbreak+");
         AppendReplyFormat(m_reply_cur, m_reply_end, ";hwbreak+");
         AppendReplyFormat(m_reply_cur, m_reply_end, ";vContSupported+");
+        AppendReplyFormat(m_reply_cur, m_reply_end, ";QStartNoAckMode+");
     }
 
     void GdbServerImpl::qXfer() {
diff --git a/stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.hpp b/stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.hpp
index 5aca349e5..e0648cd1d 100644
--- a/stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.hpp
+++ b/stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.hpp
@@ -77,6 +77,8 @@ namespace ams::dmnt {
 
             void Q();
 
+            void QStartNoAckMode();
+
             void T();
 
             void Z();
@@ -115,4 +117,4 @@ namespace ams::dmnt {
             Result ParseVCont(char * const token, u64 *thread_ids, u8 *continue_modes, s32 num_threads, DebugProcess::ContinueMode &default_continue_mode);
     };
 
-}
\ No newline at end of file
+}