diff --git a/src/gtk/utilsgtk.cpp b/src/gtk/utilsgtk.cpp
index a4e3895ffb..76158b1ea4 100644
--- a/src/gtk/utilsgtk.cpp
+++ b/src/gtk/utilsgtk.cpp
@@ -472,11 +472,11 @@ wxGUIAppTraits::GetStandardCmdLineOptions(wxArrayString& names,
 {
     wxString usage;
 
-    // check whether GLib version is lower than 2.39
-    // because, as we use the undocumented _GOptionGroup struct, we don't want
-    // to run this code with future versions which might change it (2.38 is the
-    // latest one at the time of this writing)
-    if (glib_check_version(2,39,0))
+    // Check whether GLib version is lower than the last tested version for
+    // which the code below works because, as we use the undocumented
+    // _GOptionGroup struct, we don't want to run this code with future
+    // versions which might change it and result in run-time crashes.
+    if (glib_check_version(2,50,0))
     {
         usage << _("The following standard GTK+ options are also supported:\n");