diff --git a/src/common/log.cpp b/src/common/log.cpp
index 4c58a331e2..9a182465b8 100644
--- a/src/common/log.cpp
+++ b/src/common/log.cpp
@@ -770,7 +770,10 @@ wxLogChain::wxLogChain(wxLog *logger)
 
 wxLogChain::~wxLogChain()
 {
-    delete m_logNew;
+    delete m_logOld;
+
+    if ( m_logNew != this )
+        delete m_logNew;
 }
 
 void wxLogChain::SetLog(wxLog *logger)