diff --git a/gintro/gimplgobj.nim b/gintro/gimplgobj.nim
index f73496a..705fb0a 100644
--- a/gintro/gimplgobj.nim
+++ b/gintro/gimplgobj.nim
@@ -200,7 +200,10 @@ proc $1$2 {.cdecl.} =
 
     if resl == "int32":
       resu.add(".int32")
-
+      
+    if resl == "cstring":
+      resu.add(".g_strdup")
+      
     r1s.add(resu & "\n")
     all = all.replace(")", "; user_data: pointer)")
 
diff --git a/tests/gen.nim b/tests/gen.nim
index 464f01d..9622e88 100644
--- a/tests/gen.nim
+++ b/tests/gen.nim
@@ -1,6 +1,6 @@
 # High level gobject-introspection based GTK4/GTK3 bindings for the Nim programming language
 # nimpretty --maxLineLen:130 gen.nim
-# v 0.9.4 2021-JUL-19
+# v 0.9.4 2021-JUL-21
 # (c) S. Salewski 2018, 2019, 2020, 2021
 
 # usefull for finding death code:
@@ -1862,7 +1862,7 @@ proc writeMethod(info: GIBaseInfo; minfo: GIFunctionInfo) =
         # export only low level symbols that are needed internally -- maybe we should export only a private name for them
         if run == 0 and not tryOut2Ret:
           if sym in ["g_quark_from_static_string", "g_error_free", "g_object_get_qdata", "g_object_ref_sink", "g_object_unref", "g_param_spec_ref_sink",
-            "g_timeout_add_full", "g_object_is_floating", "gst_bus_add_watch_full", "g_object_ref", "g_date_time_format", "gdk_event_ref", 
+            "g_timeout_add_full", "g_object_is_floating", "gst_bus_add_watch_full", "g_object_ref", "g_date_time_format", "gdk_event_ref", "g_strdup",  
             "g_type_from_name", "g_type_check_instance_is_a", "g_idle_add_full", "g_quark_try_string", "vte_regex_unref", "gtk_expression_ref",
             "gtk_builder_get_object", "g_action_map_add_action", "gtk_drawing_area_set_draw_func", "g_io_add_watch_full"]:
             methodBuffer.write("\nproc " & sym & EM & pars.plist)
@@ -3269,6 +3269,7 @@ proc seq2GSList*[T](s: seq[T]): ptr glib.SList =
 
 #include gimplgobj
 include gimplglib
+export glib.g_strdup
 
 """