diff --git a/rpcs3/Emu/Cell/PPUThread.cpp b/rpcs3/Emu/Cell/PPUThread.cpp
index 41640cf2e5..7cb5159d0f 100644
--- a/rpcs3/Emu/Cell/PPUThread.cpp
+++ b/rpcs3/Emu/Cell/PPUThread.cpp
@@ -329,6 +329,43 @@ extern void ppu_remove_breakpoint(u32 addr)
 	}
 }
 
+extern bool ppu_patch(u32 addr, u32 value)
+{
+	// TODO: check executable flag
+	if (vm::check_addr(addr, sizeof(u32)))
+	{
+		if (g_cfg.core.ppu_decoder == ppu_decoder_type::llvm && Emu.GetStatus() != system_state::ready)
+		{
+			// TODO
+			return false;
+		}
+
+		if (!vm::check_addr(addr, sizeof(u32), vm::page_writable))
+		{
+			utils::memory_protect(vm::g_base_addr + addr, sizeof(u32), utils::protection::rw);
+		}
+
+		vm::write32(addr, value);
+
+		const u32 _break = ::narrow<u32>(reinterpret_cast<std::uintptr_t>(&ppu_break));
+		const u32 fallback = ::narrow<u32>(reinterpret_cast<std::uintptr_t>(&ppu_fallback));
+
+		if (ppu_ref(addr) != _break && ppu_ref(addr) != fallback)
+		{
+			ppu_ref(addr) = ppu_cache(addr);
+		}
+
+		if (!vm::check_addr(addr, sizeof(u32), vm::page_writable))
+		{
+			utils::memory_protect(vm::g_base_addr + addr, sizeof(u32), utils::protection::ro);
+		}
+
+		return true;
+	}
+
+	return false;
+}
+
 std::string ppu_thread::get_name() const
 {
 	return fmt::format("PPU[0x%x] Thread (%s)", id, m_name);
diff --git a/rpcs3/rpcs3qt/debugger_frame.cpp b/rpcs3/rpcs3qt/debugger_frame.cpp
index 5900ad7634..92da29f6e0 100644
--- a/rpcs3/rpcs3qt/debugger_frame.cpp
+++ b/rpcs3/rpcs3qt/debugger_frame.cpp
@@ -586,14 +586,12 @@ void debugger_list::keyPressEvent(QKeyEvent* event)
 		{
 			instruction_editor_dialog* dlg = new instruction_editor_dialog(this, pc, cpu, m_debugFrame->m_disasm.get());
 			dlg->show();
-			m_debugFrame->DoUpdate();
 			return;
 		}
 		case Qt::Key_R:
 		{
 			register_editor_dialog* dlg = new register_editor_dialog(this, pc, cpu, m_debugFrame->m_disasm.get());
 			dlg->show();
-			m_debugFrame->DoUpdate();
 			return;
 		}
 		}
diff --git a/rpcs3/rpcs3qt/instruction_editor_dialog.cpp b/rpcs3/rpcs3qt/instruction_editor_dialog.cpp
index 401d7e0bb3..34d0411fb1 100644
--- a/rpcs3/rpcs3qt/instruction_editor_dialog.cpp
+++ b/rpcs3/rpcs3qt/instruction_editor_dialog.cpp
@@ -4,6 +4,8 @@
 
 constexpr auto qstr = QString::fromStdString;
 
+extern bool ppu_patch(u32 addr, u32 value);
+
 instruction_editor_dialog::instruction_editor_dialog(QWidget *parent, u32 _pc, const std::shared_ptr<cpu_thread>& _cpu, CPUDisAsm* _disasm)
 	: QDialog(parent)
 	, m_pc(_pc)
@@ -67,13 +69,26 @@ instruction_editor_dialog::instruction_editor_dialog(QWidget *parent, u32 _pc, c
 	{
 		bool ok;
 		ulong opcode = m_instr->text().toULong(&ok, 16);
-		if (!ok)
+		if (!ok || opcode > UINT32_MAX)
 		{
-			QMessageBox::critical(this, tr("Error"), tr("This instruction could not be parsed.\nNo changes were made."));
+			QMessageBox::critical(this, tr("Error"), tr("Failed to parse PPU instruction."));
+			return;
+		}
+		else if (g_system == system_type::ps3 && cpu->id_type() == 1)
+		{
+			if (!ppu_patch(m_cpu_offset + m_pc, static_cast<u32>(opcode)))
+			{
+				QMessageBox::critical(this, tr("Error"), tr("Failed to patch PPU instruction."));
+				return;
+			}
+		}
+		else if (g_system == system_type::ps3)
+		{
+			vm::ps3::write32(m_cpu_offset + m_pc, static_cast<u32>(opcode));
 		}
 		else
 		{
-			vm::ps3::write32(m_cpu_offset + m_pc, (u32)opcode);
+			vm::psv::write32(m_cpu_offset + m_pc, static_cast<u32>(opcode));
 		}
 		accept();
 	});