diff --git a/Source/Script/LuaScript.cpp b/Source/Script/LuaScript.cpp
index 885bbe6d..6f8a5237 100644
--- a/Source/Script/LuaScript.cpp
+++ b/Source/Script/LuaScript.cpp
@@ -1251,3 +1251,27 @@ void LuaScript::Register(std::string name, int (*function)(lua_State*)) {
 }
 
 // OFFSET: 0x00A91200
+// FUNCTION: fn_17157
+int UIWindowMgr::GetHotkeyBehavior() {
+  int behavior = -1;
+  const int mode = static_cast<int>(g_session.m_options.Get(10));
+  g_luaScript->Call("GetBehaviorOfHotKey2", "ddd>d", mode, this->keyCode, this->modifierKey, &behavior);
+  if (behavior != -1) {
+    return behavior;
+  }
+
+  if (this->modifierKey == VK_SHIFT && !g_inputSuggestionsEnabled) {
+    UIWindow* parent = this->hoverWindow ? this->hoverWindow->parent : nullptr;
+    if (!parent || parent == this->window_01C8 || parent->geometry.visible == 0) {
+      const int count = HotkeyCount(*g_luaScript, 0);
+      for (int index = 0; index < count; ++index) {
+        const HotkeyInfo hotkey = GetHotkeyInfo(*g_luaScript, 0, index);
+        if (hotkey.key1 == this->keyCode && g_session.m_shortcutSlots[index].unknown_0000 != 0) {
+          return index;
+        }
+      }
+    }
+  }
+
+  return -1;
+}