diff --git a/gio/gdbus-2.0/codegen/gdbus-codegen.in b/gio/gdbus-2.0/codegen/gdbus-codegen.in
index 8050981..932410a 100644
--- a/gdbus-codegen.in
+++ b/gdbus-codegen.in
@@ -28,16 +28,7 @@ filedir = os.path.dirname(__file__)
 
 if srcdir is not None:
     path = os.path.join(srcdir, 'gio', 'gdbus-2.0')
-elif os.path.basename(filedir) == 'bin':
-    # Make the prefix containing gdbus-codegen 'relocatable' at runtime by
-    # adding /some/prefix/bin/../share/glib-2.0 to the python path
-    path = os.path.join(filedir, '..', 'share', 'glib-2.0')
 else:
-    # Assume that the modules we need are in the current directory and add the
-    # parent directory to the python path.
-    path = os.path.join(filedir, '..')
-
-sys.path.insert(0, os.path.abspath(path))
-from codegen import codegen_main
+    from gdbus_codegen import codegen_main
 
 sys.exit(codegen_main.codegen_main())