From a3debd32825c710ebc1ed4c84c94e5f2187f59d2 Mon Sep 17 00:00:00 2001
From: ink0rr <tomflynnbeltsazar@gmail.com>
Date: Thu, 12 Feb 2026 11:46:23 +0700
Subject: [PATCH] gameinput: Initialize mouseState.buttons before applying
 flags.

---
 dlls/gameinput/mouinput.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/gameinput/mouinput.c b/dlls/gameinput/mouinput.c
index 21d7bf0087f..4739462e748 100644
--- a/dlls/gameinput/mouinput.c
+++ b/dlls/gameinput/mouinput.c
@@ -302,6 +302,7 @@ HRESULT mouse_input_device_ReadCurrentStateFromDInput8( IN v2_IGameInputDevice *
         mouseState.wheelY = relativeWheelStore;
     }
 
+    mouseState.buttons = GameInputMouseNone;
     if ( GetAsyncKeyState( VK_LBUTTON ) & 0x8000 )
         mouseState.buttons |= GameInputMouseLeftButton;
     if ( GetAsyncKeyState( VK_RBUTTON ) & 0x8000 )