diff --git a/giconstantinfo.c b/giconstantinfo.c
index c18a9d3fc..a9d4cbc02 100644
--- a/giconstantinfo.c
+++ b/giconstantinfo.c
@@ -128,7 +128,15 @@ g_constant_info_get_value (GIConstantInfo *info,
   if (blob->type.flags.reserved == 0 && blob->type.flags.reserved2 == 0)
     {
       if (blob->type.flags.pointer)
-	value->v_pointer = g_memdup (&rinfo->typelib->data[blob->offset], blob->size);
+        {
+#if GLIB_CHECK_VERSION (2, 67, 5)
+          gsize blob_size = blob->size;
+
+	  value->v_pointer = g_memdup2 (&rinfo->typelib->data[blob->offset], blob_size);
+#else
+	  value->v_pointer = g_memdup (&rinfo->typelib->data[blob->offset], blob->size);
+#endif
+        }
       else
 	{
 	  switch (blob->type.flags.tag)