1 files changed, 1 insertions, 1 deletions
diff --git a/src/libavoid/graph.h b/src/libavoid/graph.h
index c4de3df08..05f03a988 100644
--- a/src/libavoid/graph.h
+++ b/src/libavoid/graph.h
@@ -43,7 +43,7 @@ class EdgeInf
 {
     public:
         EdgeInf(VertInf *v1, VertInf *v2);
-        ~EdgeInf();
+        virtual ~EdgeInf();
         inline double getDist(void)
         {
             return _dist;