diff --git a/src/libvncserver/rfbserver.c b/src/libvncserver/rfbserver.c
index eefd1280..ab14671d 100644
--- a/src/libvncserver/rfbserver.c
+++ b/src/libvncserver/rfbserver.c
@@ -660,6 +660,8 @@ rfbClientConnectionGone(rfbClientPtr cl)
     rfbPrintStats(cl);
     rfbResetStats(cl);
 
+    if(cl->lastError)
+        free(cl->lastError);
     free(cl);
 }