diff --git a/rpcs3/Emu/SysCalls/lv2/sys_spu.cpp b/rpcs3/Emu/SysCalls/lv2/sys_spu.cpp
index baf57bf705..542ed346c8 100644
--- a/rpcs3/Emu/SysCalls/lv2/sys_spu.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/sys_spu.cpp
@@ -467,13 +467,43 @@ s32 sys_spu_thread_group_terminate(u32 id, s32 value)
 
 	LV2_LOCK;
 
+	// seems the id can be either SPU Thread Group or SPU Thread
+
 	std::shared_ptr<spu_group_t> group;
-	if (!Emu.GetIdManager().GetIDData(id, group))
+	std::shared_ptr<CPUThread> thread = Emu.GetCPU().GetThread(id, CPU_THREAD_SPU);
+
+	if (!Emu.GetIdManager().GetIDData(id, group) && !thread)
 	{
 		return CELL_ESRCH;
 	}
 
-	// CELL_EPERM is not returned (can't check the condition)
+	auto& spu = static_cast<SPUThread&>(*thread);
+
+	if (thread)
+	{
+		if (group)
+		{
+			throw __FUNCTION__;
+		}
+
+		group = spu.tg.lock();
+
+		for (auto& t : group->threads)
+		{
+			// find primary (?) thread and compare it with the one specified
+			if (t)
+			{
+				if (t == thread)
+				{
+					break;
+				}
+				else
+				{
+					return CELL_EPERM;
+				}
+			}
+		}
+	}
 
 	if (group->state <= SPU_THREAD_GROUP_STATUS_INITIALIZED || group->state == SPU_THREAD_GROUP_STATUS_WAITING || group->state == SPU_THREAD_GROUP_STATUS_WAITING)
 	{
@@ -495,6 +525,7 @@ s32 sys_spu_thread_group_terminate(u32 id, s32 value)
 	group->exit_status = value;
 	group->join_state |= SPU_TGJSF_TERMINATED;
 	group->join_cv.notify_one();
+
 	return CELL_OK;
 }