diff --git a/gstreamer-sharp/Application.cs b/gstreamer-sharp/Application.cs
index 89b5d96d53..85a06e5149 100644
--- a/gstreamer-sharp/Application.cs
+++ b/gstreamer-sharp/Application.cs
@@ -19,6 +19,7 @@ namespace Gst {
       int argc = 0;
 
       gst_init (ref argc, ref argv);
+      RegisterManagedTypes ();
     }
 
     public static void Init (string progname, ref string [] args) {
@@ -33,6 +34,23 @@ namespace Gst {
       gst_deinit();
     }
 
+    private static void RegisterManagedTypes() {
+      GLib.GType t;
+
+      t = Gst.Fraction.GType;
+      t = Gst.DoubleRange.GType;
+      t = Gst.IntRange.GType;
+      t = Gst.FractionRange.GType;
+      t = Gst.Fourcc.GType;
+      t = Gst.Date.GType;
+      t = Gst.List.GType;
+      t = Gst.Array.GType;
+      t = Gst.Caps.GType;
+      t = Gst.Structure.GType;
+      t = Gst.TagList.GType;
+      t = Gst.MiniObject.GType;
+    }
+
     private static void FullInit (string progname, ref string [] args, bool check) {
       string [] progargs = new string[args.Length + 1];
 
@@ -68,6 +86,7 @@ namespace Gst {
         args = new string[argc - 1];
         System.Array.Copy (progargs, 1, args, 0, argc - 1);
       }
+      RegisterManagedTypes ();
     }
 
     [DllImport ("gstreamer-0.10.dll") ]