1 files changed, 10 insertions, 0 deletions
diff --git a/src/dotgroupcollaboration.cpp b/src/dotgroupcollaboration.cpp
index f9a11e7..0a56460 100644
--- a/src/dotgroupcollaboration.cpp
+++ b/src/dotgroupcollaboration.cpp
@@ -42,6 +42,16 @@ DotGroupCollaboration::DotGroupCollaboration(const GroupDef* gd)
 
 DotGroupCollaboration::~DotGroupCollaboration()
 {
+  // delete all created Nodes saved in m_usedNodes:QDict
+  if(m_usedNodes != NULL)
+  {
+    QDictIterator<DotNode> it(*m_usedNodes);
+    for(;it.current(); ++it)
+    {
+      delete it.current();
+    }
+  }
+
   delete m_usedNodes;
 }