diff --git a/rpcs3/Emu/SysCalls/Modules/cellMsgDialog.cpp b/rpcs3/Emu/SysCalls/Modules/cellMsgDialog.cpp
index 714f45c1bf..bccbb5fd8d 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellMsgDialog.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellMsgDialog.cpp
@@ -127,11 +127,18 @@ int cellMsgDialogOpen2(u32 type, vm::ptr<const char> msgString, vm::ptr<CellMsgD
 		if (callback && (g_msg_dialog_state != msgDialogAbort))
 			callback.async((s32)status, userData); // TODO: this callback should be registered
 
-		CallAfter([]()
+		CallAfter([&m_signal]()
 		{
 			MsgDialogDestroy();
+
+			m_signal = false;
 		});
 
+		while (m_signal)
+		{
+			std::this_thread::sleep_for(std::chrono::milliseconds(1));
+		}
+
 		g_msg_dialog_state = msgDialogNone;
 	});
 	t.detach();