diff --git a/src/systemc/tlm_bridge/tlm_to_gem5.cc b/src/systemc/tlm_bridge/tlm_to_gem5.cc
index 47a2fba08e..c02efe7437 100644
--- a/src/systemc/tlm_bridge/tlm_to_gem5.cc
+++ b/src/systemc/tlm_bridge/tlm_to_gem5.cc
@@ -207,6 +207,29 @@ void
 TlmToGem5Bridge<BITWIDTH>::sendBeginResp(tlm::tlm_generic_payload &trans,
                                          sc_core::sc_time &delay)
 {
+    MemBackdoor::Flags flags;
+    switch (trans.get_command()) {
+      case tlm::TLM_READ_COMMAND:
+        flags = MemBackdoor::Readable;
+        break;
+      case tlm::TLM_WRITE_COMMAND:
+        flags = MemBackdoor::Writeable;
+        break;
+      default:
+        panic("TlmToGem5Bridge: "
+                "received transaction with unsupported command");
+    }
+    Addr start_addr = trans.get_address();
+    Addr length = trans.get_data_length();
+
+    MemBackdoorReq req({start_addr, start_addr + length}, flags);
+    MemBackdoorPtr backdoor = nullptr;
+
+    bmp.sendMemBackdoorReq(req, backdoor);
+
+    if (backdoor)
+        trans.set_dmi_allowed(true);
+
     tlm::tlm_phase phase = tlm::BEGIN_RESP;
 
     auto status = socket->nb_transport_bw(trans, phase, delay);
@@ -574,12 +597,12 @@ TlmToGem5Bridge<BITWIDTH>::before_end_of_elaboration()
         DPRINTF(TlmBridge, "register blocking interface");
         socket.register_b_transport(
                 this, &TlmToGem5Bridge<BITWIDTH>::b_transport);
-        socket.register_get_direct_mem_ptr(
-                this, &TlmToGem5Bridge<BITWIDTH>::get_direct_mem_ptr);
     } else {
         panic("gem5 operates neither in Timing nor in Atomic mode");
     }
 
+    socket.register_get_direct_mem_ptr(
+            this, &TlmToGem5Bridge<BITWIDTH>::get_direct_mem_ptr);
     socket.register_transport_dbg(
             this, &TlmToGem5Bridge<BITWIDTH>::transport_dbg);