diff --git a/Fushigi/param/ParamDB.cs b/Fushigi/param/ParamDB.cs
index af9bfb57..015f49ca 100644
--- a/Fushigi/param/ParamDB.cs
+++ b/Fushigi/param/ParamDB.cs
@@ -183,6 +183,15 @@ public static void Load()
             sIsInit = true;
         }
 
+        public static void Reload()
+        {
+            sActors.Clear();
+            sComponents.Clear();
+            sRails.Clear();
+            sRailParamList.Clear();
+            Load();
+        }
+
         static Component ReadByml(Byml.Byml byml)
         {
             var root = (BymlHashTable)byml.Root;
diff --git a/Fushigi/ui/MainWindow.cs b/Fushigi/ui/MainWindow.cs
index 59f52125..e46a5fa4 100644
--- a/Fushigi/ui/MainWindow.cs
+++ b/Fushigi/ui/MainWindow.cs
@@ -10,6 +10,9 @@
 using System.Numerics;
 using System.Collections.Generic;
 using System.Runtime.InteropServices;
+using static System.Net.Mime.MediaTypeNames;
+using System.Reflection;
+using System.Diagnostics;
 
 namespace Fushigi.ui
 {
@@ -179,6 +182,11 @@ void DrawMainMenu(GL gl)
                         mIsChoosingPreferences = true;
                     }
 
+                    if (ImGui.MenuItem("Regenerate Parameter Database", ParamDB.sIsInit)) {
+                        ParamDB.sIsInit = false;
+                        ParamDB.Reload();
+                    }
+
                     /* end Edit menu */
                     ImGui.EndMenu();
                 }