diff --git a/gintro.nimble b/gintro.nimble
index 4183498..235f414 100644
--- a/gintro.nimble
+++ b/gintro.nimble
@@ -1,6 +1,6 @@
 # Package
 
-version       = "0.4.20"
+version       = "0.4.22"
 author        = "Stefan Salewski"
 description = "High level GObject-Introspection based GTK3 bindings"
 license       = "MIT"
diff --git a/tests/gen.nim b/tests/gen.nim
index 8e830e0..ac210fb 100644
--- a/tests/gen.nim
+++ b/tests/gen.nim
@@ -1,5 +1,5 @@
 # High level gobject-introspection based GTK3 bindings for the Nim programming language
-# v 0.4.20 2019-JUN-05
+# v 0.4.22 2019-JUN-05
 # (c) S. Salewski 2018
 
 # https://wiki.gnome.org/Projects/GObjectIntrospection
@@ -1451,7 +1451,11 @@ proc processInfo(i: GIBaseInfo) =
     writeEnum(i)
   elif gBaseInfoGetType(i) == GIInfoType.CONSTANT:
     writeConst(i)
-  else: assert(false)
+  #else: assert(false)
+  elif gBaseInfoGetType(i) == GIInfoType.Boxed:
+    echo "gBaseInfoGetType(i) == GIInfoType.Boxed:"
+  else:
+    assert(false)
 
 
 # Gtk objects builder may provide. Only for Gtk module, so Gtk prefix is assume.