diff --git a/vsintegration/src/FSharp.Editor/VSMac/InteractivePad.fs b/vsintegration/src/FSharp.Editor/VSMac/InteractivePad.fs
index ef23b7d112d..cc6cac038a4 100644
--- a/vsintegration/src/FSharp.Editor/VSMac/InteractivePad.fs
+++ b/vsintegration/src/FSharp.Editor/VSMac/InteractivePad.fs
@@ -1,5 +1,4 @@
-
-//
+//
 // InteractivePad.fs
 //
 // Author:
@@ -253,7 +252,7 @@ type FSharpInteractivePad() as this =
 
     let setupSession() =
         let pathToExe =
-            Path.Combine(Reflection.Assembly.GetExecutingAssembly().Location |> Path.GetDirectoryName, "Interactive", "MonoDevelop.FSharpInteractive.Service")
+            Path.Combine(Reflection.Assembly.GetExecutingAssembly().Location |> Path.GetDirectoryName, "..", "..", "MonoDevelop.FSharpInteractive.Service")
 
         let ses = InteractiveSession(pathToExe)
         let controller = new InteractivePadController(ses)
@@ -266,6 +265,8 @@ type FSharpInteractivePad() as this =
 
     let mutable session = None
 
+    static let mutable initialized = false
+
     let resetFsi intent =
         input.Clear()
         killIntent <- intent
@@ -319,6 +320,7 @@ type FSharpInteractivePad() as this =
     static member Fsi =
         FSharpInteractivePad.Pad |> Option.bind (fun pad -> Some(pad.Content :?> FSharpInteractivePad))
 
+
     member x.LastOutputLine
         with get() = lastLineOutput
         and set value = lastLineOutput <- value
@@ -365,27 +367,29 @@ type FSharpInteractivePad() as this =
     member val Controller:InteractivePadController option = None with get, set
 
     override x.Initialize(container:MonoDevelop.Ide.Gui.IPadWindow) =
-        LoggingService.LogDebug ("InteractivePad: created!")
+        if not initialized then
+            initialized <- true
+            LoggingService.LogDebug ("InteractivePad: created!")
 
-        let toolbar = new Toolbar()
+            let toolbar = new Toolbar()
 
-        let addButton icon action tooltip =
-            let button = ToolbarButtonItem(null, icon)
-            button.Icon <- icon
-            button.Clicked.Add (fun _  -> action())
-            button.Tooltip <- GettextCatalog.GetString tooltip
-            toolbar.AddItem(button)
+            let addButton icon action tooltip =
+                let button = ToolbarButtonItem(null, icon)
+                button.Icon <- icon
+                button.Clicked.Add (fun _  -> action())
+                button.Tooltip <- GettextCatalog.GetString tooltip
+                toolbar.AddItem(button)
 
-        addButton "gtk-save" x.Save "Save as script"
-        addButton "gtk-open" x.OpenScript "Open"
-        addButton "gtk-clear" x.ClearFsi "Clear"
-        addButton "gtk-refresh" x.RestartFsi "Reset"
+            addButton "gtk-save" x.Save "Save as script"
+            addButton "gtk-open" x.OpenScript "Open"
+            addButton "gtk-clear" x.ClearFsi "Clear"
+            addButton "gtk-refresh" x.RestartFsi "Reset"
 
-        let ses = setupSession()
-        session <- ses |> Some
+            let ses = setupSession()
+            session <- ses |> Some
 
-        if not ses.HasStarted then ses.StartReceiving()
-        container.SetToolbar(toolbar, DockPositionType.Right)
+            if not ses.HasStarted then ses.StartReceiving()
+            container.SetToolbar(toolbar, DockPositionType.Right)
 
     member x.RestartFsi() = resetFsi Restart