1 files changed, 7 insertions, 1 deletions
diff --git a/python/gras/GRAS_HierBlock.i b/python/gras/GRAS_HierBlock.i
index 12a5952..21d087e 100644
--- a/python/gras/GRAS_HierBlock.i
+++ b/python/gras/GRAS_HierBlock.i
@@ -45,7 +45,7 @@ struct TopBlockPython : TopBlock
         //NOP
     }
 
-    ~TopBlockPython(void)
+    virtual ~TopBlockPython(void)
     {
         PyTSPhondler phil;
         this->reset();
@@ -89,6 +89,12 @@ struct HierBlockPython : HierBlock
     {
         //NOP
     }
+
+    virtual ~HierBlockPython(void)
+    {
+        PyTSPhondler phil;
+        this->reset();
+    }
 };
 
 }