diff --git a/ChangeLog.txt b/ChangeLog.txt
index 74e0b92..a02a4fe 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -1,5 +1,9 @@
 ChangeLog
 
+0.5.0.4
+	Fixed issue with symmetric parts config window 
+	Fixed issue with showing config window for multiple parts
+
 0.5.0.3
 	Fixed missing rope when returning to vessel  (using AirPark)
 
diff --git a/GameData/KerBalloons/KerBalloons.version b/GameData/KerBalloons/KerBalloons.version
index 4b7c864..05308de 100644
--- a/GameData/KerBalloons/KerBalloons.version
+++ b/GameData/KerBalloons/KerBalloons.version
@@ -11,7 +11,7 @@
     "MAJOR": 0,
     "MINOR": 5,
     "PATCH": 0,
-    "BUILD": 2
+    "BUILD": 3
   },
   "KSP_VERSION": {
     "MAJOR": 1,
diff --git a/KerBalloons.version b/KerBalloons.version
index 05308de..a3dff74 100644
--- a/KerBalloons.version
+++ b/KerBalloons.version
@@ -11,7 +11,7 @@
     "MAJOR": 0,
     "MINOR": 5,
     "PATCH": 0,
-    "BUILD": 3
+    "BUILD": 4
   },
   "KSP_VERSION": {
     "MAJOR": 1,
diff --git a/Kerballoons/AssemblyVersion.cs b/Kerballoons/AssemblyVersion.cs
index 71f32a3..b6188fd 100644
--- a/Kerballoons/AssemblyVersion.cs
+++ b/Kerballoons/AssemblyVersion.cs
@@ -5,4 +5,4 @@
   
  using System.Reflection;
 
- [assembly: AssemblyVersion("0.5.0.2")]
+ [assembly: AssemblyVersion("0.5.0.3")]
diff --git a/Kerballoons/ModuleKerBalloon.cs b/Kerballoons/ModuleKerBalloon.cs
index c918d1c..f12e2e3 100644
--- a/Kerballoons/ModuleKerBalloon.cs
+++ b/Kerballoons/ModuleKerBalloon.cs
@@ -175,16 +175,31 @@ public override void OnStart(StartState state)
         int winId = WindowHelper.NextWindowId("ModuleKerBalloonConfig");
         int infoId = WindowHelper.NextWindowId("ModuleKerBalloonInfo");
         bool visibleShowInfo = false;
-        bool visible = false;
+        bool visibleConfig = false;
         [KSPEvent(guiActive = false, guiActiveEditor = true, guiName = "Configure Balloon")]
         public void ConfigureBalloon()
         {
-            ConfigureWinPos();
+            ConfigureWinPos(true);
         }
 
-        void ConfigureWinPos()
+        static readonly object locked = new object();
+
+        void ConfigureWinPos(bool ignoreLock = false)
         {
-            visible = true;
+            if (!ignoreLock)
+            {
+                uint activePartId = part.persistentId;
+                lock (locked)
+                {
+                    foreach (var p in part.symmetryCounterparts)
+                    {
+                        if (p.persistentId < activePartId)
+                            return;
+                    }
+                }
+            }
+            winId = WindowHelper.NextWindowId("ModuleKerBalloonConfig" + part.persistentId);
+            visibleConfig = true;
             winRect.x = Mouse.screenPos.x;
             winRect.y = Mouse.screenPos.y;
 
@@ -200,7 +215,7 @@ void OnGUI()
                     GUI.skin = HighLogic.Skin;
                 infoRect = ClickThruBlocker.GUILayoutWindow(infoId, infoRect, InfoBalloonWin, "KerBalloon");
             }
-            if (visible && HighLogic.LoadedSceneIsEditor)
+            if (visibleConfig && HighLogic.LoadedSceneIsEditor)
             {
                 if (!visibleShowInfo && !HighLogic.CurrentGame.Parameters.CustomParams<KerBSettings>().altskin)
                     GUI.skin = HighLogic.Skin;
@@ -263,6 +278,8 @@ void SetValues(BalloonInfo b)
 
         List<string> availPayloads = new List<string>();
         int selectedPayload = 0;
+
+
         void ConfigBalloonWin(int id)
         {
             GUILayout.BeginHorizontal();
@@ -337,7 +354,7 @@ void ConfigBalloonWin(int id)
             }
             GUILayout.FlexibleSpace();
             if (GUILayout.Button("Close"))
-                visible = false;
+                visibleConfig = false;
             GUI.DragWindow();
         }
 
@@ -580,6 +597,8 @@ static public GameObject getChildGameObject(GameObject fromGameObject, string wi
         public void ShowInfo()
         {
             visibleShowInfo = !visibleShowInfo;
+            availPlanets.Clear();
+            availPayloads.Clear();
         }
 
         Vector2 infoPos;