diff --git a/occ_errors.hpp b/occ_errors.hpp
index 3b00e94..6fe0983 100644
--- a/occ_errors.hpp
+++ b/occ_errors.hpp
@@ -41,7 +41,7 @@
         // Nothing to do here.
     }
 
-    ~Error()
+    virtual ~Error()
     {
         if (fd >= 0)
         {