diff --git a/tools/chatgui/tests/test_radio_commands.cpp b/tools/chatgui/tests/test_radio_commands.cpp
index e1117f2b..7303f79f 100644
--- a/tools/chatgui/tests/test_radio_commands.cpp
+++ b/tools/chatgui/tests/test_radio_commands.cpp
@@ -53,7 +53,12 @@ extern "C" void __wrap_u_free_impl(void* pointer, const char* source) {
 extern "C" void __real_radio_call_trampoline(void*);
 extern "C" void __wrap_radio_call_trampoline(void* arg) {
     auto* request = static_cast<radio_call_request*>(arg);
-    bindingValid &= request->inst == executingCore; observed.append(*request);
+    if (request->inst != executingCore) {
+        bindingValid = false;
+        DEBUG_ERROR(DEBUG_CATEGORY_RADIO, "Radio command binding mismatch id=%llu request_inst=%p executing_core=%p",
+            (unsigned long long)request->id, static_cast<void*>(request->inst), static_cast<void*>(executingCore));
+    }
+    observed.append(*request);
     __real_radio_call_trampoline(arg);
 }
 // Настоящий mixer остаётся включённым; null backend устраняет зависимость от аппаратных устройств.
@@ -199,18 +204,33 @@ private slots:
 #ifdef UTUN_TEST_RADIO_HOOKS
         watching = true;
 #endif
-        std::thread producer([] {
-            for (uint64_t id = 1; id <= 96; ++id) gui_bridge_radio_call(GUI_RADIO_CALL_CANCEL, id, 0, 0);
+        std::atomic<unsigned> turn{0}, submitted{0};
+        std::thread producer([&] {
+            for (unsigned id = 1; id <= 96; ++id) {
+                while (turn < id) std::this_thread::yield();
+                gui_bridge_radio_call(GUI_RADIO_CALL_CANCEL, id, 0, 0); submitted = id;
+            }
         });
-        for (unsigned i = 0; i < 64; ++i) {
-            gui_bridge_set_inst(nullptr); auto& core = i % 2 ? first : second; core.attach(); core.poll();
+        bool controlsAccepted = true;
+        for (unsigned i = 1; i <= 96; ++i) {
+            turn = i;
+            gui_bridge_set_inst(nullptr); auto& core = i % 2 ? first : second; core.attach();
+            while (submitted < i) std::this_thread::yield();
+            first.poll(); second.poll();
+            // Контроль исполняется у каждого владельца даже при отклонении/отмене конкурирующей команды.
+            controlsAccepted &= gui_bridge_radio_call(GUI_RADIO_CALL_CANCEL, 1000 + i, 0, 0) == 0; core.poll();
         }
         producer.join(); gui_bridge_set_inst(nullptr); first.attach();
-        QCOMPARE(gui_bridge_radio_call(GUI_RADIO_CALL_START, 1000, 7654321, 42), 0); first.poll();
-        QVERIFY(bindingValid); QCOMPARE(pending(first.ua), 0u); QCOMPARE(pending(second.ua), 0u);
+        QCOMPARE(gui_bridge_radio_call(GUI_RADIO_CALL_START, 2000, 7654321, 42), 0); first.poll();
+        QVERIFY(controlsAccepted); QVERIFY(bindingValid); QCOMPARE(pending(first.ua), 0u); QCOMPARE(pending(second.ua), 0u);
         QCOMPARE(first.results, 1u); QCOMPARE(second.results, 0u); QVERIFY(first.resultValid);
 #ifdef UTUN_TEST_RADIO_HOOKS
-        QVERIFY(!observed.isEmpty()); QCOMPARE(observed.back().inst, first.inst); QCOMPARE(observed.back().id, uint64_t(1000));
+        size_t firstCount = 0, secondCount = 0;
+        for (const auto& request : observed) { firstCount += request.inst == first.inst; secondCount += request.inst == second.inst; }
+        QVERIFY(firstCount >= 49); QVERIFY(secondCount >= 48);
+        QCOMPARE(observed.back().inst, first.inst); QCOMPARE(observed.back().id, uint64_t(2000));
+        DEBUG_INFO(DEBUG_CATEGORY_RADIO, "Radio binding verified: first_executed=%zu second_executed=%zu binding_valid=%d",
+                   firstCount, secondCount, bindingValid);
 #endif
     }
 };